Sub-Zero 400 Series, 400-2 Series, 600 Series, 600-2 Series, 700 Series Information Booklet

400 / 400-2 / 600 / 600-2 / 700 /

700-2 / 700-3 SERIES, MODEL

648PRO, ICB648PRO and

UC SERIES

CONDENSED

ELECTRONIC CONTROL

INFORMATION BOOKLET

NOTE: If more detailed information on the
electronic controls is needed, the appropriate
Service Manual must be referenced.

Part #3756590 - Rev. G - April, 2007

PAGE 2

400 Series (Wine) ................................... 5

Basic Input Operations ....................... 5

Power ON/OFF - Adjust Set-Points ­Lighting ON/OFF - Temp Alarm ON/OFF

Unique Input Operations ..................... 5

Temp Units Selection Mode - Sabbath
Mode - Showroom Mode

Error Indicators .................................... 6

Troubleshooting Input Operations ....... 7

Diagnostic Mode - Valve Activation Mode ­Temp. Log Recall Mode (Event Indicators)

400 Series (Model 427R Ref) ............... 12

Basic Input Operations ...................... 12

Power ON/OFF - Adjust Set-Points ­Drawer Ajar Alarm ON/OFF

Unique Input Operations .................... 12

Temp Units Selection Mode - Sabbath
Mode - Showroom Mode

Error Indicators .................................. 13

Troubleshooting Input Operations ..... 14

Diagnostic Mode

400-2 Series (Wine) ............................... 16

Basic Input Operations ...................... 16

Power ON/OFF - Adjust Set-Points ­Lighting ON/OFF - Temp Alarm ON/OFF

Unique Input Operations .................... 16

Temp Units Selection Mode - Sabbath
Mode - Showroom Mode

Error Indicators .................................. 17

Troubleshooting Input Operations ..... 18

Diagnostic Mode (Error Code Table) ­Valve Activation Mode - Temp. Log Recall
Mode (Event Indicators)

400-2 Series (Model 427R-2 Ref) ......... 25

Basic Input Operations ...................... 25

Power ON/OFF - Adjust Set-Points ­Drawer Ajar Alarm ON/OFF

Unique Input Operations .................... 25

Temp Units Selection Mode - Sabbath
Mode - Showroom Mode

Error Indicators .................................. 26

Troubleshooting Input Operations ..... 27

Diagnostic Mode (Error Code Table) ­Valve Activation Mode - Temp. Log Recall
Mode (Event Indicators)

Service Input Operations ................... 33

Auto and Manual Entry Model
Configuration Mode (Model Code Table)

600 Series (PTS #1810000) .................. 36

Basic Input Operations ...................... 36

Power ON/OFF - Adjust Set-Points - IM
ON/OFF

Unique Input Operations ................... 36

Sabbath Mode - Showroom Mode ­Manual Defrost

Error Indicators ................................. 37

Troubleshooting Input Operations ..... 38

Diagnostic Mode

600 Series (SWS #1810000) ................. 41

Basic Input Operations ...................... 41

Power ON/OFF - Adjust Set-Points - IM
ON/OFF - Door Ajar Alarm ON/OFF

Unique Input Operations ................... 42

Temp Units Selection Mode - Sabbath
Mode - Showroom Mode - Compartment
Disable Mode - Manual Defrost

Error Indicators ................................. 43

Troubleshooting Input Operations .... 44

Diagnostic Mode (Error Code Table) ­Component Activation Mode ­Compartment Temp. Log Recall Mode ­Compartment/Evap. Temp. Log Recall
(Event Indicators)

PAGE

TABLE OF CONTENTS PAGE

PAGE 3

600-2 Series ........................................... 52

Basic Input Operations ..................... 52

Power ON/OFF - Adjust Set-Points - IM
ON/OFF - Door Ajar Alarm ON/OFF

Unique Input Operations ................... 53

Temp Units Selection Mode - Sabbath
Mode - Showroom Mode - Compartment
Disable Mode - Manual Defrost

Error Indicators ................................. 54

Troubleshooting Input Operations ..... 55

Diagnostic Mode (Error Code Table) ­Component Activation Mode ­Compartment Temp. Log Recall Mode ­Compartment/Evap. Temp. Log Recall
(Event Indicators)

700 Series .............................................. 63

Basic Input Operations ..................... 63

Adjust Set-Points - Door Ajar Alarm
ON/OFF

Error Indicators ................................. 64

700-2 Series (Tall) ................................. 66

Basic Input Operations ..................... 66

Power ON/OFF - Adjust Set-Points - IM
ON/OFF - Door Ajar Alarm ON/OFF

Unique Input Operations ................... 67

Temp Units Selection Mode - Sabbath
Mode - Showroom Mode - Compartment
Disable Mode - Manual Defrost

Error Indicators ................................. 68

Troubleshooting Input Operations ..... 69

Diagnostic Mode (Error Code Table) ­Component Activation Mode ­Compartment Temp. Log Recall Mode ­Compartment/Evap. Temp. Log Recall
(Event Indicators)

PAGE PAGE

700-3 Series Tall Units .......................... 77

Basic Input Operations ..................... 77

Power ON/OFF - Adjust Set-Points - IM
ON/OFF - Door Ajar Alarm ON/OFF

Unique Input Operations ................... 78

Temp Units Selection Mode - Sabbath
Mode - Showroom Mode - Compartment
Disable Mode - Manual Defrost

Error Indicators ................................. 79

Troubleshooting Input Operations ..... 80

Diagnostic Mode (Error Code Table) ­Component Activation Mode ­Compartment Temp. Log Recall Mode ­Compartment/Evap. Temp. Log Recall
(Event Indicators)

700-2 Series (Base) .............................. 88

Basic Input Operations ..................... 88

Power ON/OFF - Adjust Set-Points - IM
ON/OFF - Door Ajar Alarm ON/OFF

Unique Input Operations ................... 89

Temp Units Selection Mode - Sabbath
Mode - Showroom Mode - Manual Defrost

Error Indicators ................................. 90

Troubleshooting Input Operations ..... 91

Diagnostic Mode

PAGE 4

700-3 Series Base Units ....................... 93

Basic Input Operations ..................... 93

Power ON/OFF - Adjust Set-Points - IM
ON/OFF - Door Ajar Alarm ON/OFF

Unique Input Operations ................... 94

Temp Units Selection Mode - Sabbath
Mode - Showroom Mode - Compartment
Disable Mode - Manual Defrost

Error Indicators ................................. 95

Troubleshooting Input Operations ..... 96

Diagnostic Mode (Error Code Table) ­Component Activation Mode ­Compartment Temp. Log Recall Mode ­Compartment/Evap. Temp. Log Recall
(Event Indicators)

Service Input Operations ................. 103

Auto and Manual Entry Model
Configuration Mode (Model Code Table)

Model 648PRO & ICB648PRO ............ 106

Basic Input Operations .................... 106

Power ON/OFF - Adjust Set-Points - IM
ON/OFF - Door Ajar Alarm ON/OFF

Unique Input Operations ...................107

Temp Units Selection Mode - Sabbath
Mode - Showroom Mode - Compartment
Disable Mode - Manual Defrost

Error Indicators ................................ 108

Service Mode (Error Codes) ............ 109

PAGE PAGE

Undercounter Series ........................... 113

Basic Input Operations .................... 113

Power ON/OFF - Adjust Set-Points

Unique Input Operations ........ 114

Temp Units Selection Mode - Sabbath
Mode - Showroom Mode - Manual Defrost

Error Indicators ................................ 115

Troubleshooting Input Operations ... 116

Diagnostic Mode (Error Code Table) ­Component Activation Mode ­Compartment Temp. Log Recall Mode ­Compartment/Evap. Temp. Log Recall
(Event Indicators)

Service Input Operations ................. 123

Auto and Manual Entry Model
Configuration Mode (Model Code Table)

PAGE 5

400 SERIES WINE STORAGE

Basic Input Operations

» Power ON/OFF

- Press UNIT ON/OFF key

» Adjusting Set-Point (Temperature Adjust)

- Press COLDER or WARMER keys of desired compartment

NOTE: Actual compartment temp. is displayed 10 seconds after
last keystroke.

» Lighting System ON/OFF

- Press LIGHTS ON/OFF key

» Temperature Alarm ON/OFF

- Press Bell ON/OFF key

Unique Input Operations

» Temperature Units Selection Mode (°F or °C Display)

- Within first minute of power up, press Bell ON/OFF key &
UNIT ON/OFF key simultaneously for 5 seconds

» Sabbath Mode (Disables lighting)

1. Switch unit OFF

2. Press & hold UNIT ON/OFF key for 10 seconds

NOTE: To exit Sabbath Mode, repeat steps above.

» Showroom Mode (Disables all but lighting)

1. Switch unit OFF

2. Press COLDER, WARMER & UNIT ON/OFF keys
simultaneously

NOTE: To exit Showroom Mode, repeat steps above.

PAGE 6

400 SERIES WINE STORAGE

Possible Error Indicators

NOTE: Temperatures shown are for reference only, actual tempera­tures may vary.

5555

SERVICE (Flashing)

EEEE

Upper compartment thermistor fault

BELL ON (Flashing)

5555

SERVICE (Flashing)

EEEE

Upper compartment thermistor fault with temperature alarm

EEEE

SERVICE (Flashing)

5555

Lower compartment thermistor fault

BELL ON (Flashing)

EEEE

SERVICE (Flashing)

5555

Lower compartment thermistor fault with temperature alarm

5555

SERVICE (Flashing)

5555

Either evaporator thermistor fault

BELL ON (Flashing)

5555

SERVICE (Flashing)

5555

Either evaporator thermistor fault with temperature alarm

NOTE: Cooling functions are disabled when error indicators appear.

PAGE 7

400 SERIES WINE STORAGE

Troubleshooting Input Operations

» Diagnostic Mode

1. Unit must be ON

2. Press either COLDER key & the UNIT ON/OFF key
simultaneously

NOTE: After performing the above key strokes, the following
will appear on the display. Temperatures shown are for ref­erence only, actual temperatures may vary.

5500

SERVICE (Illuminated)

UUEE

Temperature of UE (Upper Evaporator)

- Press COLDER key to toggle to next reading

4477

SERVICE (Illuminated)

LLEE

Temperature of LE (Lower Evaporator)

- Press COLDER key to toggle to next reading

5555

SERVICE (Illuminated)

UUPP

Temperature of UP (Upper Compartment)

- Press COLDER key to toggle to next reading

5522

SERVICE (Illuminated)

LLOO

Temperature of LO (Lower Compartment)

NOTE: Diagnostic Mode will end 10 seconds after last key
stroke. To observe temperatures longer than 10 seconds,
press and hold UNIT ON/OFF key while in Diagnostic Mode.

PAGE 8

400 SERIES WINE STORAGE

» Valve Activation Mode (opens valve for 5 min.)

1. Unit must be ON

2. Press and hold desired

compartment COLDER

key and the UNIT ON/OFF key for 30 seconds

- If lower

compartment COLDER key is chosen for
above key strokes, the following will appear on the
display. Temperatures shown are for reference only,
actual temperatures may vary.

5511

SERVICE (Illuminated)

LLEE

Temperature of LE (Lower Evaporator) displayed for 5 min.

- If upper compartment COLDER key is chosen for
above key strokes, the following will appear on the
LED. Temperatures shown are for reference only,
actual temperatures may vary.

4499

SERVICE (Illuminated)

UUEE

Temperature of UE (Upper Evaporator) displayed for 5 min.

NOTE: Valve Activation Mode will end after 5 minutes.
To exit before the full 5 minutes, press the UNIT ON/OFF
key to switch the unit OFF, then again to switch it back
ON.

PAGE 9

400 SERIES WINE STORAGE

» Temperature Log Recall Mode

1. Unit must be ON

2. Press and hold desired

compartment WARMER

key and the UNIT ON/OFF, then release both keys

NOTE: After performing the above key strokes, the fol­lowing will appear on the display. Temperatures shown
are for reference only, actual temperatures may vary.

5533

SERVICE (Illuminated)

11

4 hour compartment temperature average (at left) with
index number. Number 1 is most recent 4 hour period.

NOTE: SERVICE is always illuminated at first index.

- Press WARMER key in multiple keystrokes to toggle
up through indexes, from 1 to 64.

6600 6644

4 hour compartment temperature average (at left) with
index number. Number 64 is oldest recorded 4 hour period.

- Press COLDER key in multiple keystrokes to toggle
down through indexes, from 64 to 1.

NOTE: See following page for possible event indicators
during Temperature Log Recall Mode. Temperature Log
Recall Mode will end 10-15 seconds after last key stroke.

PAGE 10

400 SERIES WINE STORAGE

Possible Event Indicators During Temperature Log Recall

BELL ON (Illuminated)

6666 22

BELL ON Illuminated indicates power failure/interruption.

6688

SERVICE (Illuminated)

2299

SERVICE illuminated indicates unit was switched off with
UNIT ON/OFF key

-- -- -- --

Double Dashes (

-- --

) displayed indicates electronic control

board is bad. Control board must be replaced.

NOTE: Temperature Log Recall Mode will end 10-15
seconds after last key stroke.

PAGE 11

400 SERIES WINE STORAGE NOTES

PAGE 12

400 SERIES, MODEL 427R REFRIGERATOR

Basic Input Operations

» Power ON/OFF

- Press UNIT ON/OFF key

» Adjusting Set-Point (Temperature Adjust)

- Press COLDER or WARMER key

NOTE: Actual compartment temp. is displayed 10 seconds
after last keystroke.

» Drawer Ajar Alarm ON/OFF

- Press Alarm ON/OFF key

Unique Input Operations

» Temperature Units Selection Mode (°F or °C Display)

- Within first minute of power up, press Alarm ON/OFF
key & UNIT ON/OFF key simultaneously

» Sabbath Mode (Disables lighting)

1. Switch unit OFF

2. Press & hold UNIT ON/OFF key for 10 seconds

NOTE: To exit Sabbath Mode, repeat steps above.

» Showroom Mode (Disables all but lighting)

1. Switch unit OFF

2. Press COLDER, WARMER & UNIT ON/OFF keys simul­taneously

NOTE: To exit Showroom Mode, repeat steps above.

PAGE 13

400 SERIES, MODEL 427R REFRIGERATOR

Possible Error Indicators

NOTE: Temperature shown is for reference only, actual tem­perature may vary.

TOP DRAWER (Flashing)

EEEE

LOWER DRAWER (Flashing)

Refrigerator compartment thermistor fault

TOP DRAWER (Flashing)

4400

LOWER DRAWER (Flashing)

Refrigerator evaporator thermistor fault.

EE00

700BR & 700BF Communication Error between
Control Board & Control Panel

EE33

700BR & 700BF Communication Error between
Control Board & Control Panel

PAGE 14

400 SERIES, MODEL 427R REFRIGERATOR

Troubleshooting Input Operations

» Diagnostic Mode

1. Unit must be ON

2. Press COLDER & UNIT ON/OFF keys simultaneously,
then release both keys

NOTE: After performing the above key strokes, the following
will appear on the LCD. Temperatures shown are for refer­ence only, actual temperatures may vary.

3388

First reading is refrigerator compartment temperature.

r

Press UNIT ON/OFF key while in Diagnostic Mode to dis­play location. (r = Refrigerator Compartment)

3344

Press COLDER key. Second reading is evaporator Temp.

EE

Press UNIT ON/OFF key while in Diagnostic Mode to dis­play location. (E = Evaporator)

EEEE

If “EE” is displayed in place of temperature, thermistor is
faulty.

NOTE: Diagnostic Mode ends 10 seconds after last key
stroke.

PAGE 15

400 SERIES, MDL 427R REFRIG NOTES

PAGE 16

400-2 SERIES WINE STORAGE

Basic Input Operations

» Power ON/OFF

- Press UNIT ON/OFF key

» Adjusting Set-Point (Temperature Adjust)

- Press COLDER or WARMER keys of desired compartment

NOTE: Actual compartment temp. is displayed 10 seconds after
last keystroke.

» Lighting System ON/OFF

- Press LIGHTS ON/OFF key

» Temperature Alarm ON/OFF

- Press Bell ON/OFF key

Unique Input Operations

» Temperature Units Selection Mode (°F or °C Display)

- Within first minute of power up, press Bell ON/OFF key &
UNIT ON/OFF key simultaneously for 5 seconds

» Sabbath Mode (Disables lighting)

1. Switch unit OFF

2. Press & hold UNIT ON/OFF key for 10 seconds

NOTE: To exit Sabbath Mode, press UNIT ON/OFF.

» Showroom Mode (Disables all but lighting)

1. Switch unit OFF

2. Press COLDER, WARMER & UNIT ON/OFF keys
simultaneously

NOTE: To exit Showroom Mode, repeat steps above.

PAGE 17

400-2 SERIES WINE ST

ORAGE

Possible Error Indicators

NOTE: Temperatures shown are for reference only, actual tempera­tures may vary.

5555

SERVICE (Flashing)

EEEE

Upper compartment thermistor fault

BELL ON (Flashing)

5555

SERVICE (Flashing)

EEEE

Upper compartment thermistor fault with temperature alarm

EEEE

SERVICE (Flashing)

5555

Lower compartment thermistor fault

BELL ON (Flashing)

EEEE

SERVICE (Flashing)

5555

Lower compartment thermistor fault with temperature alarm

5555

SERVICE (Flashing)

5555

Either evaporator thermistor fault

BELL ON (Flashing)

5555

SERVICE (Flashing)

5555

Either evaporator thermistor fault with temperature alarm

NOTE: Cooling functions are disabled when error indicators appear.

PAGE 18

400-2 SERIES WINE STORAGE

Troubleshooting Input Operations

» Diagnostic Mode

1. Unit must be ON

2. Press COLDER & UNIT ON/OFF keys simultaneously, then
release both keys

NOTE: After performing the above key strokes, the following will

appear on the display. Temperatures shown are for refer­ence only, actual temperatures may vary.

5500

SERVICE (Illuminated)

UUEE

Temperature of Upper Evaporator

- Press COLDER key to toggle to next reading

4477

SERVICE (Illuminated)

LLEE

Temperature of Lower Evaporator

- Press COLDER key to toggle to next reading

5555

SERVICE (Illuminated)

UUPP

Temperature of Upper Compartment

- Press COLDER key to toggle to next reading

5522

SERVICE (Illuminated)

LLOO

Temperature of Lower Compartment

- Pressing the COLDER key at this time will take the display

back to the first reading.

(CONTINUED)

PAGE 19

400-2 SERIES WINE STORAGE

(CONTINUED)

NOTE: If “

EECC

” (Error Code) is displayed, see Error

Code Table on next page.

NOTE: If “

EEEE

” is displayed in place of temperature,

thermistor in that location is faulty.

NOTE: Diagnostic Mode will end 10 seconds after
last key stroke.

PAGE 20

ERROR CODE TABLE

CODE INDICATION

05 Upper Cabinet Thermistor read open / short for 10+

seconds, or repeatedly erratic temp’s.

06 Upper Evap. Thermistor read open / short for 10+

seconds, or repeatedly erratic temp’s.

07 Lower Cabinet Thermistor read open / short for 10+

seconds, or repeatedly erratic temp’s.

08 Lower Evap. Thermistor read open / short for 10+

seconds, or repeatedly erratic temp’s.
10 Upper Cabinet Warm Temperature alarm
11 Upper Cabinet Cold Temperature alarm
12 Lower Cabinet Warm Temperature alarm
13 Lower Cabinet Cold Temperature alarm
15 Sealed System Fault (evap temp. cannot drop 5° in

5 minutes, 3 consecutive valve activations)

400-2 SERIES WINE STORAGE

NOTE: To clear Error Codes, see next page.

PAGE 21

400-2 SERIES WINE STORAGE

» Clearing Error Codes

1. Unit must be ON and problem repaired

2. Press and hold Bell ON/OFF key for 15 seconds

» Manual Valve Activation Mode

(Energizes cooling system for 5 minutes)

1. Unit must be ON

2. Press desired

COLDER & UNIT ON/OFF keys simul-

taneously for 10 seconds

NOTE: After performing the above key strokes (depend­ing on COLDER key chosen), the following will appear on
the LCD. Temperatures shown are for reference only,
actual temperatures may vary.

5511

SERVICE (Illuminated)

LLEE

Temperature of Lower Evaporator

OR

5511

SERVICE (Illuminated)

UUEE

Temperature of Upper Evaporator

PAGE 22

400-2 SERIES WINE STORAGE

» Temperature Log Recall Mode

(Compartment Temperature History Only)

1. Unit must be ON

2. Press desired

WARMER & UNIT ON/OFF keys simultane-

ously, then release both keys

NOTE: After performing the above key strokes (depending on
COLDER key chosen), the following will appear on the display.
Temperatures shown are for reference only, actual temperatures
may vary.

5533

SERVICE (Illuminated)

11

4 hour compartment temperature average (at left) with
index number. Number 1 is most recent 4 hour period.

NOTE: SERVICE is always illuminated at first index.

- Press WARMER key in multiple keystrokes to toggle up
through indexes, from 1 to 64.

6600 6644

4 hour compartment temperature average (at left) with
index number. Number 64 is oldest recorded 4 hour period.

- Press COLDER key in multiple keystrokes to toggle down
through indexes, from 64 to 1.

NOTE: See following page for possible event indicators during
Temperature Log Recall Mode. Temperature Log Recall Mode
will end 10-15 seconds after last key stroke.

PAGE 23

400-2 SERIES WINE STORAGE

Possible Event Indicators During Temperature Log Recall

BELL ON (Illuminated)

6666 22

BELL ON Illuminated indicates power failure/interruption.

6688

SERVICE (Illuminated)

2299

SERVICE illuminated indicates unit was switched off with
UNIT ON/OFF key

-- -- -- --

Double Dashes (- - ) displayed indicates electronic control
board is bad. Control board must be replaced.

NOTE: Temperature Log Recall Mode will end 10-15 seconds
after last key stroke.

PAGE 24

400-2 SERIES WINE STORAGE NOTES

PAGE 25

400-2 SERIES - 427R-2 REFRIGERATOR

Basic Input Operations

» Power ON/OFF

- Press UNIT ON/OFF key

» Adjusting Set-Point (Temperature Adjust)

- Press COLDER or WARMER key

NOTE: Actual compartment temp. is displayed 10 seconds
after last keystroke.

» Drawer Ajar Alarm ON/OFF

- Press Alarm ON/OFF key

Unique Input Operations

» Temperature Units Selection Mode (°F or °C Display)

- Within first minute of power up, press Alarm ON/OFF
key & UNIT ON/OFF key simultaneously

» Sabbath Mode (Disables lighting)

1. Switch unit OFF

2. Press & hold UNIT ON/OFF key for 10 seconds

NOTE: To exit Sabbath Mode, press UNIT ON/OFF key.

» Showroom Mode (Disables all but lighting)

1. Switch unit OFF

2. Press COLDER, WARMER & UNIT ON/OFF keys simul­taneously

NOTE: To exit Showroom Mode, repeat steps above.

PAGE 26

400-2 SERIES - 427R-2 REFRIGERATOR

Possible Error Indicators

NOTE: Temperatures shown are for reference only, actual tempera­tures may vary.

EEEE

SERVICE (Flashing)

Refrigerator compartment thermistor fault

3388

SERVICE (Flashing)
Several excessive compressor run periods OR
Refrigerator evaporator thermistor fault

3388

SERVICE (Steady, not Flashing)
Error Codes logged and observed but not cleared.

- -

Several consecutive Double Dashes (- -) displayed indi­cates electronic control board is bad. Control board must
be replaced.

NOTE: To clear Error Indicators, repair problem then switch unit
OFF and back ON. To clear Error Codes, press bell ON/OFF key
for 15 seconds.

PAGE 27

400-2 SERIES - 427R-2 REFRIGERATOR

Troubleshooting Input Operations

» Diagnostic Mode

1. Unit must be ON

2. Press COLDER & UNIT ON/OFF keys simultaneously, then
release both keys

NOTE: After performing the above key strokes, the following will

appear on the LCD. Temperatures shown are for reference
only, actual temperatures may vary.

4400

SERVICE (Illuminated) r

Temperature of r (Refrigerator Compartment)

- Press COLDER key to toggle to next reading

3322

SERVICE (Illuminated)

EE

Temperature of E (Evaporator)

- Pressing the COLDER key at this time will take display

back to first reading.

(CONTINUED)

PAGE 28

400-2 SERIES - 427R-2 REFRIGERATOR

(CONTINUED)

NOTE: If “

EECC

” (Error Code) is displayed, see Error

Code Table below.

NOTE: If “

EEEE

” is displayed in place of temperature,

thermistor in that location is faulty.

NOTE: If “SSr” is displayed in place of temperature,
unit is in Showroom Mode.

NOTE: Diagnostic Mode will end 20 seconds after
last key stroke.

ERROR CODE TABLE

CODE INDICATION

05 Upper Cabinet Thermistor read open / short for 10+

seconds, or repeatedly erratic temp’s.

06 Upper Evap. Thermistor read open / short for 10+

seconds, or repeatedly erratic temp’s.

50 Excessive Refrigerator compressor run

NOTE: To clear Error Codes, see next page.

PAGE 29

400-2 SERIES - 427R-2 REFRIGERATOR

» Clearing Error Codes

1. Unit must be ON

2. Repair problem

3. Press and hold Bell ON/OFF key for 15 seconds

» Manual Component Activation Mode

(Energizes cooling system for 5 minutes)

1. Unit must be ON

2. Press COLDER & UNIT ON/OFF keys simultaneously for
10 seconds

NOTE: After performing the above key strokes, the following will
appear on the LCD. Temperatures shown are for reference only,
actual temperatures may vary.

2299

SERVICE (Illuminated)

EE

Temperature of E (Refrigerator Evaporator)

PAGE 30

400-2 SERIES - 427R-2 REFRIGERATOR

» Temperature Log Recall Mode

(Compartment Temperature History Only)

1. Unit must be ON

2. Press WARMER & UNIT ON/OFF keys simultaneously,
then release both keys

NOTE: After performing the above key strokes, the following will
appear on the LCD. Temperatures shown are for reference only,
actual temperatures may vary.

3388

SERVICE (Illuminated)

11

2 hour compartment temperature average (at left) with
index number. Number 1 is most recent 2 hour period.

NOTE: SERVICE is always illuminated at first index.

- Press WARMER key in multiple keystrokes to toggle up
through indexes, from 1 to 168.

3366 116688

2 hour compartment temperature average (at left) with
index number. Number 168 is oldest recorded 2 hour peri­od.

- Press COLDER key in multiple keystrokes to toggle down
through indexes, from 168 to 1.

NOTE: Possible event indicators during Temperature Log Recall
Mode is covered later. Temperature Log Recall Mode ends 15
seconds after last key stroke.

PAGE 31

400-2 SERIES - 427R-2 REFRIGERATOR

» Temperature Log Recall Mode

(Compartment &/or Evaporator temperature History)

1. With unit on, initiate Diagnostic Mode - Press COLDER key
& UNIT ON/OFF keys simultaneously, then release.

2. Toggle through temperature readings by pressing COLDER
or WARMER key until desired thermistor temperature is
observed

3. Press WARMER key for that compartment and UNIT
ON/OFF simultaneously

NOTE: After performing the above key strokes, the following will
appear on the LCD. Temperatures shown are for reference only,
actual temperatures may vary.

3300

SERVICE (Illuminated)

11

2 hour thermistor temperature average (at left) with index
number. Number 1 is most recent 2 hour period.

- Press WARMER key in multiple keystrokes to toggle up
through indexes, from 1 to 168.

2288 116688

2 hour thermistor temperature average (at left) with index
number. Number 168 is oldest recorded 2 hour period.

- Press COLDER key in multiple keystrokes to toggle down
through indexes, from 168 to 1.

NOTE: Possible event indicators during Temperature Log Recall
Mode are on next page. Temperature Log Recall Mode ends 15
seconds after last key stroke.

PAGE 32

400-2 SERIES - 427R-2 REFRIGERATOR

Possible Event Indicators During Temperature Log Recall

bl

110077

“bl” indicates index is blank, no temperature recorded yet

3366

SERVICE (Illuminated)

8899

SERVICE illuminated indicates unit was switched off with
UNIT ON/OFF key

Bell (Illuminated)

3388 110055

BELL Illuminated indicates power failure/interruption.

- -

2288

Several consecutive Double Dashes (- -) displayed indi­cates electronic control board is bad. Control board must
be replaced.

NOTE: Temperature Log Recall Mode will end 15 seconds
after last key stroke.

NOTE: Temperatures continue to be logged when unit is
switched off with UNIT ON/OFF key and when Showroom
Mode or Manual Compartment Disable Mode is initiated.

PAGE 33

400-2 SERIES - 427R-2 REFRIGERATOR

Service Input Operations

» Auto Model Configuration Mode

If a new main control board is installed during a service call,
double dashes ( - - ) will appear on the LCD indicating the board
must be configured for the model it was installed into.

1. Open bottom drawer.

2. With unit on - Press COLDER or WARMER key to toggle
through model codes, then stop when proper code is dis­played (See Model Code Table on next page).

3. Press UNIT ON/OFF key to store configuration.

» Manual Entry Model Configuration Mode

If control board configuration needs to be verified or changed:

1. Open bottom drawer.

2. With unit on - Press COLDER and UNIT ON/OFF keys
simultaneously, then release.

3. Press Bell ON/OFF and UNIT ON/OFF keys simultaneous­ly, then release.

4. Press COLDER or WARMER key to toggle through model
codes, then stop when proper code is displayed (See
Model Code Table on next page).

3. Press UNIT ON/OFF key to store configuration.

PAGE 34

400-2 SERIES - 427R-2 REFRIGERATOR

br 700BR

bC 700BC

27 427R

bF 700BFI

2r UC-24R / UC-24RO
2C UC-24C
2b UC-24B

MODEL CODE TABLE

CODE MODEL

PAGE 35

400-2 SERIES NOTES

PAGE 36

600 SERIES (Prior To Serial #1810000)

Basic Input Operations

» Power ON/OFF

- Press UNIT ON/OFF key

» Adjusting Set-Point (Temperature Adjust)

- Press COLDER or WARMER keys of desired compart­ment

NOTE: Actual compartment temp. is displayed 10 seconds
after last keystroke.

» Icemaker ON/OFF

- Press ICE ON/OFF key (“ICE” appears on LCD)

Unique Input Operations

» Sabbath Mode (Disables lighting)

1. Switch unit OFF

2. Press & hold UNIT ON/OFF key for 10 seconds

NOTE: To exit Sabbath Mode, repeat steps above.

» Showroom Mode (Disables all but lighting)

1. Switch unit OFF

2. Press COLDER, WARMER & UNIT ON/OFF keys
simultaneously

NOTE: To exit Showroom Mode, repeat steps above.

» Manual Defrost

- Press & hold ICE ON/OFF key for 5 seconds.

PAGE 37

600 SERIES (Prior To Serial #1810000)

Possible Error Indicators

NOTE: Temperatures shown are for reference only, actual tempera­tures may vary.

EEEE

SERVICE (Flashing)

3388

Freezer compartment thermistor Fault

0000

SERVICE (Flashing)

EEEE

Refrigerator compartment thermistor fault

0000

SERVICE (Flashing)

3388

Refrigerator evaporator thermistor fault

SERVICE (Flashing)

0000

ICE (Flashing)

3388

Water valve energized longer than 15 seconds. Icemaker
system disabled.

NOTE: A 45 minute dwell follows each IM cycles (no power
to Icemaker). To bypass 45 minute dwell, Switch unit OFF
then back ON.

SERVICE (Flashing)

1122

VACUUM (Flashing)

4455

CONDENSER

Several excessive compressor run periods

NOTE:To clear Error Indicators, repair problem then switch unit
OFF and back ON.

PAGE 38

600 SERIES (Prior To Serial #1810000)

Troubleshooting Input Operations

» Diagnostic Mode

1. Unit must be ON

2. Press COLDER & UNIT ON/OFF keys simultaneously, then
release both keys

NOTE: After performing the above key strokes, the following will
appear on the LCD. Temperatures shown are for reference only,
actual temperatures may vary.

00

SERVICE (Illuminated)

First reading is freezer compartment temperature.

FF

SERVICE (Illuminated)

- Press UNIT ON/OFF key to display location code.
(FF= Freezer Compartment)

3388

SERVICE (Illuminated)

- Press COLDER key. Second reading is refrigerator com­partment temperature.

r SERVICE (Illuminated)

- Press UNIT ON/OFF key to display location code.
(r = Refrigerator Compartment)

1155

SERVICE (Illuminated)

- Press COLDER key. Third reading is refrigerator evapora­tor temperature.

r

EE

SERVICE (Illuminated)

- Press UNIT ON/OFF key to display location code.
(rEE= Refrigerator Evaporator) (CONTINUED)

PAGE 39

600 SERIES (Prior To Serial #1810000)

(CONTINUED)

--1100

SERVICE (Illuminated)

- Press COLDER key. Fourth reading is freezer evaporator
temperature.

FFEE

SERVICE (Illuminated)

- Press UNIT ON/OFF key to display location code.
(FF= Freezer Compartment)

0000

SERVICE (Illuminated)

- Press COLDER key. Fifth reading is inactive line, no tem­perature.

iiLL

SERVICE (Illuminated)

- Press UNIT ON/OFF key to display location code.
(

iiLL

= Inactive Line, Disregard)

- Pressing the COLDER key at this time will take the display

back to the first reading, the freezer compartment tempera­ture.

NOTE: It is possible to toggle through the temperature
readings by pressing the COLDER key without the steps
of pressing the UNIT ON/OFF key.

NOTE: If “

EEEE

” appears instead of a temperature, press

UNIT ON/OFF key to determine which thermistor is faulty.

NOTE: Diagnostic Mode will end 10 seconds after last key
stroke.

PAGE 40

600 SERIES (PTS #1810000) NOTES

PAGE 41

600 SERIES (Starting With Serial #1810000)

Basic Input Operations

» Power ON/OFF

- Press UNIT ON/OFF key

» Adjusting Set-Point (Temperature Adjust)

- Press COLDER or WARMER keys of desired com­partment

NOTE: Actual compartment temp. is displayed 10 sec­onds after last keystroke.

» Icemaker ON/OFF

- Press ICE ON/OFF key

» Door Ajar Alarm ON/OFF

- Press Bell ON/OFF key

PAGE 42

600 SERIES (Starting With Serial #1810000)

Unique Input Operations

» Temperature Units Selection Mode (°F or °C Display)

- Within first minute of power up, press Bell ON/OFF key
& UNIT ON/OFF key simultaneously for 5 seconds

» Sabbath Mode (Disables lighting)

1. Switch unit OFF

2. Press & hold UNIT ON/OFF key for 10 seconds

NOTE: To exit Sabbath Mode, repeat steps above.

» Showroom Mode (Disables all but lighting)

1. Switch unit OFF

2. Press COLDER, WARMER & UNIT ON/OFF keys
simultaneously

NOTE: To exit Showroom Mode, repeat steps above.

» Compartment Disable Mode (Disables compartment cool-

ing, “- -” appears on LCD)

1. Switch unit OFF

2. Press desired

WARMER & UNIT ON/OFF keys simulta-

neously

NOTE: To return to normal operation, repeat steps above.

» Manual Defrost

- Press & hold ICE ON/OFF key for 5 seconds.

PAGE 43

600 SERIES (Starting With Serial #1810000)

Possible Error Indicators

NOTE: Temperatures shown are for reference only, actual tempera­tures may vary.

EEEE

SERVICE (Flashing)

3388

Freezer compartment thermistor fault

0000

SERVICE (Flashing)

EEEE

Refrigerator compartment thermistor fault

0000

SERVICE (Flashing)

3388

Several excessive compressor run periods OR
Refrigerator evaporator thermistor fault

SERVICE (Flashing)

0000

ICE (Flashing)

3388

Water valve energized longer than 15 seconds. Icemaker
system disabled.

NOTE: A 45 minute dwell follows each IM cycles (no power
to Icemaker). To bypass 45 minute dwell, Switch unit OFF
then back ON.

NOTE: To clear Error Indicators, repair problem then switch unit
OFF and back ON.

PAGE 44

600 SERIES (Starting With Serial #1810000)

Troubleshooting Input Operations

» Diagnostic Mode

1. Unit must be ON

2. Press COLDER & UNIT ON/OFF keys simultaneously, then
release both keys

NOTE: After performing the above key strokes, the following will

appear on the LCD. Temperatures shown are for reference
only, actual temperatures may vary.

--0055

SERVICE (Illuminated)

FF

Temperature of F (Freezer Compartment)

- Press COLDER key to toggle to next reading

4400

SERVICE (Illuminated) r

Temperature of r (Refrigerator Compartment)

- Press COLDER key to toggle to next reading

--1122

SERVICE (Illuminated)

FFEE

Temperature of FE (Freezer Evaporator)

- Press COLDER key to toggle to next reading

2299

SERVICE (Illuminated) r

EE

Temperature of rE (Refrigerator Evaporator)

- Pressing the COLDER key at this time will take the display

back to the first reading, the freezer compartment tempera­ture.

(CONTINUED)

PAGE 45

600 SERIES (Starting With Serial #1810000)

(CONTINUED)

NOTE: If “

EECC

” (Error Code) is displayed, see Error

Code Table on next page.

NOTE: If “

EEEE

” is displayed in place of temperature,

thermistor in that location is faulty.

NOTE: If “SSr” is displayed in place of temperature,
unit is in Showroom Mode.

NOTE: Diagnostic Mode will end 10 seconds after
last key stroke.

PAGE 46

Error Code Table

CODE INDICATION

05 Refrig. Cabinet Thermistor read open or shorted for

10+ seconds, or repeatedly read erratic temp’s

06 Refrig. Evaporator Thermistor read open or shorted for

10+ seconds, or repeatedly read erratic temp’s

07 Freezer Cabinet Thermistor read open or shorted for

10+ seconds, or repeatedly read erratic temp’s

08 Freezer Evaporator Thermistor read open or shorted

for 10+ seconds, or repeatedly read erratic temp’s

20 Defrost Underheat with No Voltage Feedback Through

Gray/White Wire at Defrost Start

21 Defrost Overheat

22 No Voltage Feedback Through Gray/White Wire at

Defrost Start

23 Defrost Overheat with No Voltage Feedback through

Gray/White Wire at Defrost Start

24 Defrost Underheat

600 SERIES (Starting With Serial #1810000)

NOTE: Currently, Error Codes are registered because of thermistor

or defrost system errors only. The table above will be updated
through addendums when subsequent software and electrical
changes occur and more error codes are added.

To clear Error Codes, see next page.

PAGE 47

600 SERIES (Starting With Serial #1810000)

» Clearing Error Codes

1. Unit must be ON

2. Repair problem

3. Press and hold Bell ON/OFF key for 15 seconds

» Manual Component Activation Mode

(Energizes cooling system for 5 minutes)

1. Unit must be ON

2. Press desired

COLDER & UNIT ON/OFF keys simultane-

ously for 10 seconds

NOTE: After performing the above key strokes (depending on
COLDER key chosen), the following will appear on the LCD.
Temperatures shown are for reference only, actual temperatures
may vary.

--1188

SERVICE (Illuminated)

FFEE

Temperature of F (Freezer Evaporator)

OR

2299

SERVICE (Illuminated) r

EE

Temperature of rE (Refrigerator Evaporator)

PAGE 48

600 SERIES (Starting With Serial #1810000)

» Temperature Log Recall Mode

(Compartment Temperature History Only)

1. Unit must be ON

2. Press desired

WARMER & UNIT ON/OFF keys simultane-

ously, then release both keys

NOTE: After performing the above key strokes (depending on
COLDER key chosen), the following will appear on the LCD.
Temperatures shown are for reference only, actual temperatures
may vary.

3388

SERVICE (Illuminated)

0011

2 hour compartment temperature average (at left) with
index number. Number 1 is most recent 2 hour period.

NOTE: SERVICE is always illuminated at first index.

- Press WARMER key in multiple keystrokes to toggle up
through indexes, from 1 to 168.

3366 116688

2 hour compartment temperature average (at left) with
index number. Number 168 is oldest recorded 2 hour peri­od.

- Press COLDER key in multiple keystrokes to toggle down
through indexes, from 168 to 1.

NOTE: Possible event indicators during Temperature Log Recall
Mode is covered later. Temperature Log Recall Mode ends 15
seconds after last key stroke.

PAGE 49

600 SERIES (Starting With Serial #1810000)

» Temperature Log Recall Mode

(Compartment &/or Evaporator temperature History)

1. With unit on, initiate Diagnostic Mode - Press either

COLD-

ER key & UNIT ON/OFF keys simultaneously, then release.

2. Toggle through temperature readings by pressing COLDER
or WARMER key until desired thermistor temperature is
observed

3. Press WARMER key for that compartment and UNIT
ON/OFF simultaneously

NOTE: After performing the above key strokes (depending on
WARMER key chosen), the following will appear on the LCD.
Temperatures shown are for reference only, actual temperatures
may vary.

--1100

SERVICE (Illuminated)

0011

2 hour thermistor temperature average (at left) with index
number. Number 1 is most recent 2 hour period.

- Press WARMER key in multiple keystrokes to toggle up
through indexes, from 1 to 168.

--1122 116688

2 hour thermistor temperature average (at left) with index
number. Number 168 is oldest recorded 2 hour period.

- Press COLDER key in multiple keystrokes to toggle down
through indexes, from 168 to 1.

NOTE: Possible event indicators during Temperature Log Recall
Mode is on next page. Temperature Log Recall Mode ends 15
seconds after last key stroke.

PAGE 50

600 SERIES (Starting With Serial #1810000)

Possible Event Indicators During Temperature Log Recall

bl

110077

“bl” indicates index is blank, no temperature recorded yet

3366

SERVICE (Illuminated)

8899

SERVICE illuminated indicates unit was switched off with
UNIT ON/OFF key

Bell (Illuminated)

3388 110055

BELL Illuminated indicates power failure/interruption.

- -

2288

Several consecutive Double Dashes (- -) displayed indi­cates electronic control board is bad. Control board must
be replaced.

NOTE: Temperature Log Recall Mode will end 10 seconds
after last key stroke.

NOTE: Temperatures continue to be logged when unit is
switched off with UNIT ON/OFF key and when Showroom
Mode or Manual Compartment Disable Mode is initiated.

PAGE 51

600 SERIES (SWS #1810000) NOTES

PAGE 52

600-2 SERIES

Basic Input Operations

» Power ON/OFF

- Press UNIT ON/OFF key

» Adjusting Set-Point (Temperature Adjust)

- Press COLDER or WARMER keys of desired com­partment

NOTE: Actual compartment temp. is displayed 10 sec­onds after last keystroke.

» Icemaker ON/OFF

- Press ICE ON/OFF key

» Door Ajar Alarm ON/OFF

- Press Bell ON/OFF key

PAGE 53

600-2 SERIES

Unique Input Operations

» Temperature Units Selection Mode (°F or °C Display)

- Within first minute of power up, press Bell ON/OFF key
& UNIT ON/OFF key simultaneously for 5 seconds

» Sabbath Mode (Disables lighting)

1. Switch unit OFF

2. Press & hold UNIT ON/OFF key for 10 seconds

NOTE: To exit Sabbath Mode, press UNIT ON/OFF Key.

» Showroom Mode (Disables all but lighting)

1. Switch unit OFF

2. Press COLDER, WARMER & UNIT ON/OFF keys
simultaneously

NOTE: To exit Showroom Mode, repeat steps above.

» Compartment Disable Mode (Disables compartment cool-

ing, “- -” appears on LCD)

1. Switch unit OFF

2. Press desired

WARMER & UNIT ON/OFF keys simulta-

neously

NOTE: To return to normal operation, repeat steps above.

» Manual Defrost

- Press & hold ICE ON/OFF key for 5 seconds.

PAGE 54

600-2 SERIES

Possible Error Indicators

NOTE: Temperatures shown are for reference only, actual tempera­tures may vary.

EEEE

SERVICE (Flashing)

3388

Freezer compartment thermistor fault

0000

SERVICE (Flashing)

EEEE

Refrigerator compartment thermistor fault

0000

SERVICE (Flashing)

3388

Several excessive compressor run periods OR
Refrigerator evaporator thermistor fault

SERVICE (Flashing)

0000

ICE (Flashing)

3388

Water valve energized longer than 15 seconds, five consec­utive times. Icemaker system disabled 24 hours each time.

NOTE: A 45 minute dwell follows each IM cycles (no power
to Icemaker). To bypass 45 minute dwell, Switch ice maker
system OFF then back ON.

0000

SERVICE (Steady, not Flashing)

3388

Error Codes logged and observed but not cleared.

NOTE: To clear Error Codes, press bell ON/OFF key for 15 sec­onds.

PAGE 55

600-2 SERIES

Troubleshooting Input Operations

» Diagnostic Mode

1. Unit must be ON

2. Press COLDER & UNIT ON/OFF keys simultaneously, then
release both keys

NOTE: After performing the above key strokes, the following will

appear on the LCD. Temperatures shown are for reference
only, actual temperatures may vary.

--0055

SERVICE (Illuminated)

FF

Temperature of F (Freezer Compartment)

- Press COLDER key to toggle to next reading

4400

SERVICE (Illuminated) r

Temperature of r (Refrigerator Compartment)

- Press COLDER key to toggle to next reading

--1122

SERVICE (Illuminated)

FFEE

Temperature of FE (Freezer Evaporator)

- Press COLDER key to toggle to next reading

2299

SERVICE (Illuminated) r

EE

Temperature of rE (Refrigerator Evaporator)

- Pressing the COLDER key at this time will take the display

back to the first reading, the freezer compartment tempera­ture.

(CONTINUED)

PAGE 56

600-2 SERIES

(CONTINUED)

NOTE: If “

EECC

” (Error Code) is displayed, see Error Code

Table below.

NOTE: If “

EEEE

” is displayed in place of temperature, ther-

mistor in that location is faulty.

NOTE: If “

SS

r” is displayed in place of temperature, unit is

in Showroom Mode.

NOTE: Diagnostic Mode will end 10 seconds after last

key stroke.

NOTE: To clear Error Indicators, repair problem then switch unit
OFF and back ON. To clear Error Codes, press bell ON/OFF key
for 15 seconds.

PAGE 57

Error Code Table

CODE INDICATION

05 Ref. cabinet therm. read open, short or erratic temp for 10+ sec’s

06 Ref. evap. therm. read open, short or erratic temp for 10+ sec’s

07 Fre. cabinet therm. read open, short or erratic temp for 10+ sec’s

08 Fre. evap. therm. read open, short or erratic temp for 10+ sec’s

20 Defrost underheat & no feedback thru Gr/Wh wire at defrst start

21 Defrost overheat

22 No feedback thru Gr/Wh wire at defrost start

23 Defrost overheat & no feedback thru Gr/Wh wire at defrost start

24 Defrost underheat

30 Excess IM Water Valve Solenoid Activation (> 15 Seconds)

40 Excessive Freezer Comp Run

50 Excessive Refrigerator Comp Run

NOTE: To clear Error Codes, see next page.

600-2 SERIES

PAGE 58

600-2 SERIES

» Clearing Error Codes

1. Unit must be ON

2. Repair problem

3. Press and hold Bell ON/OFF key for 15 seconds

» Manual Component Activation Mode

(Energizes cooling system for 5 minutes)

1. Unit must be ON

2. Press desired

COLDER & UNIT ON/OFF keys simultane-

ously for 10 seconds

NOTE: After performing the above key strokes (depending on
COLDER key chosen), the following will appear on the LCD.
Temperatures shown are for reference only, actual temperatures
may vary.

--1188

SERVICE (Illuminated)

FFEE

Temperature of F (Freezer Evaporator)

OR

2299

SERVICE (Illuminated) r

EE

Temperature of rE (Refrigerator Evaporator)

PAGE 59

600-2 SERIES

» Temperature Log Recall Mode

(Compartment Temperature History Only)

1. Unit must be ON

2. Press desired

WARMER & UNIT ON/OFF keys simultane-

ously, then release both keys

NOTE: After performing the above key strokes (depending on
COLDER key chosen), the following will appear on the LCD.
Temperatures shown are for reference only, actual temperatures
may vary.

3388

SERVICE (Illuminated)

0011

2 hour compartment temperature average (at left) with
index number. Number 1 is most recent 2 hour period.

NOTE: SERVICE is always illuminated at first index.

- Press WARMER key in multiple keystrokes to toggle up
through indexes, from 1 to 168.

3366 116688

2 hour compartment temperature average (at left) with
index number. Number 168 is oldest recorded 2 hour peri­od.

- Press COLDER key in multiple keystrokes to toggle down
through indexes, from 168 to 1.

NOTE: Possible event indicators during Temperature Log Recall
Mode is covered later. Temperature Log Recall Mode ends 15
seconds after last key stroke.

PAGE 60

600-2 SERIES

» Temperature Log Recall Mode

(Compartment &/or Evaporator temperature History)

1. With unit on, initiate Diagnostic Mode - Press either

COLD-

ER key & UNIT ON/OFF keys simultaneously, then release

3. Toggle through temperature readings by pressing COLDER
or WARMER key until desired thermistor temperature is
observed

4. Press WARMER key for that compartment and UNIT
ON/OFF simultaneously

NOTE: After performing the above key strokes (depending on
WARMER key chosen), the following will appear on the LCD.
Temperatures shown are for reference only, actual temperatures
may vary.

--1100

SERVICE (Illuminated)

0011

2 hour thermistor temperature average (at left) with index
number. Number 1 is most recent 2 hour period.

- Press WARMER key in multiple keystrokes to toggle up
through indexes, from 1 to 168.

--1122 116688

2 hour thermistor temperature average (at left) with index
number. Number 168 is oldest recorded 2 hour period.

- Press COLDER key in multiple keystrokes to toggle down
through indexes, from 168 to 1.

NOTE: Possible event indicators during Temperature Log Recall
Mode is on next page. Temperature Log Recall Mode ends 15
seconds after last key stroke.

PAGE 61

600-2 SERIES

Possible Event Indicators During Temperature Log Recall

b

11 110077

“bl” indicates index is blank, no temperature recorded yet

3366

SERVICE (Illuminated)

8899

SERVICE illuminated indicates unit was switched off with
UNIT ON/OFF key

Bell (Illuminated)

3388 110055

BELL Illuminated indicates power failure/interruption.

- -

2288

Several consecutive Double Dashes (- -) displayed indi­cates electronic control board is bad. Control board must
be replaced.

NOTE: Temperature Log Recall Mode will end 20 seconds
after last key stroke.

NOTE: Temperatures continue to be logged when unit is
switched off with UNIT ON/OFF key and when Showroom
Mode or Manual Compartment Disable Mode is initiated.

PAGE 62

600-2 SERIES NOTES

PAGE 63

700 SERIES

Basic Input Operations

» Adjusting Set-Point (Temperature Adjust)

1. Initiate Temperature Set Mode by pressing Zone key
in multiple keystrokes until desired zone/compart­ment is reached

2. Press COLDER or WARMER keys to set tempera­ture

NOTE: Temperature set mode will remain active for five
seconds after the last keystroke.

» Door / Drawer Ajar ON/OFF

- Press ALARM key to activate or deactivate alarm
(Bell annunciator will appear on the LCD when acti­vated.)

PAGE 64

700 SERIES

Possible Error Indicators

- -

“- -” = Control is shut off. Press COLDER key to start unit.

-

2200

“-

2200

” = Zone/Compartment thermistor fault. Repair wiring

or replace thermistor.

5555

“

5555

” = Zone/Compartment thermistor shorted. Repair wiring

or replace thermistor.

SS

u

“SSu” = Blue wire of display cable unhooked or faulty. Repair
wiring.

-

8888

“-

8888

” = Red Wire of display cable unhooked or faulty, top

lights are off and keys are inoperative. Repair wiring.

PAGE 65

700 SERIES NOTES

PAGE 66

700-2 SERIES (Tall Units)

Basic Input Operations

» Power ON/OFF

- Press UNIT ON/OFF key

» Adjusting Set-Point (Temperature Adjust)

- Press COLDER or WARMER keys of desired com­partment

NOTE: Actual compartment temp. is displayed 10 sec­onds after last keystroke.

» Icemaker ON/OFF

- Press ICE ON/OFF key

» Door Ajar Alarm ON/OFF

- Press Bell ON/OFF key

PAGE 67

700-2 SERIES (Tall Units)

Unique Input Operations

» Temperature Units Selection Mode (°F or °C Display)

- Within first minute of power up, press Bell ON/OFF key
& UNIT ON/OFF key simultaneously for 5 seconds

» Sabbath Mode (Disables lighting)

1. Switch unit OFF

2. Press & hold UNIT ON/OFF key for 10 seconds

NOTE: To exit Sabbath Mode, repeat steps above.

» Showroom Mode (Disables all but lighting)

1. Switch unit OFF

2. Press COLDER, WARMER & UNIT ON/OFF keys
simultaneously

NOTE: To exit Showroom Mode, repeat steps above.

» Compartment Disable Mode (Disables compartment cool-

ing, “- -” appears on LCD)

1. Switch unit OFF

2. Press desired

WARMER & UNIT ON/OFF keys simulta-

neously

NOTE: To return to normal operation, repeat steps above.

» Manual Defrost

- Press & hold ICE ON/OFF key for 5 seconds.

PAGE 68

700-2 SERIES (Tall Units)

Possible Error Indicators

NOTE: Temperatures shown are for reference only, actual tempera­tures may vary.

EEEE

SERVICE (Flashing)

3388

Freezer compartment thermistor Fault

0000

SERVICE (Flashing)

EEEE

Refrigerator compartment thermistor fault

0000

SERVICE (Flashing)

3388

Several excessive compressor run periods OR
Refrigerator evaporator thermistor fault

SERVICE (Flashing)

0000

ICE (Flashing)

3388

Water valve energized longer than 15 seconds. Icemaker
system disabled.

NOTE: A 45 minute dwell follows each IM cycles (no power
to Icemaker). To bypass 45 minute dwell, Switch unit OFF
then back ON.

NOTE:To clear Error Indicators, repair problem then switch unit
OFF and back ON.

PAGE 69

700-2 SERIES (Tall Units)

Troubleshooting Input Operations

» Diagnostic Mode

1. Unit must be ON

2. Press COLDER & UNIT ON/OFF keys simultaneously, then
release both keys

NOTE: After performing the above key strokes, the following will
appear on the LCD. Temperatures shown are for reference only,
actual temperatures may vary.

--0055

SERVICE (Illuminated)

FF

Temperature of F (Freezer Compartment)

- Press COLDER key to toggle to next reading

4400

SERVICE (Illuminated) r

Temperature of r (Refrigerator Compartment)

- Press COLDER key to toggle to next reading

--1122

SERVICE (Illuminated)

FFEE

Temperature of FE (Freezer Evaporator)

- Press COLDER key to toggle to next reading

2299

SERVICE (Illuminated) r

EE

Temperature of rE (Refrigerator Evaporator)

- Pressing the COLDER key at this time will take the display

back to the first reading, the freezer compartment tempera­ture.

(CONTINUED)

PAGE 70

700-2 SERIES (Tall Units)

(CONTINUED)

NOTE: If “

EECC

” (Error Code) is displayed (after serial

#1759163), see Error Code Table on next page.

NOTE: If “

EEEE

” is displayed in place of temperature,

thermistor in that location is faulty.

NOTE: If “SSr” is displayed in place of temperature,
unit is in Showroom Mode.

NOTE: Diagnostic Mode will end 10 seconds after
last key stroke.

PAGE 71

700-2 SERIES (Tall Units)Starting W/ Serial #1759163

Error Code Table

CODE INDICATION

05 Ref. cabinet therm. read open, short or erratic temp for 10+ sec’s

06 Ref. evap. therm. read open, short or erratic temp for 10+ sec’s

07 Fre. cabinet therm. read open, short or erratic temp for 10+ sec’s

08 Fre. evap. therm. read open, short or erratic temp for 10+ sec’s

20 Defrost underheat & no feedback thru Gr/Wh wire at defrst start

21 Defrost overheat

22 No feedback thru Gr/Wh wire at defrost start

23 Defrost overheat & no feedback thru Gr/Wh wire at defrost start

24 Defrost underheat

80 High VS compressor differential pressures or low voltage sup-

plied to VS compressor

81 High Amperage Draw at VS compressor

82 VS comp. couldn’t maintain min. speed at highest current draw

83 Locked VS compressor Rotor

84 Short circuit at VS compressor controller output circuit

85 VS compressor inverter overheated & shut down VS compressor

86 Serial communication failure between VS compressor controller

and electronic control board

87 Speed information from electronic control board is out of spec.

88 Electronic control board not receiving status data in response to

speed commands

NOTE: VS Compressor = Variable Speed Compressor

PAGE 72

700-2 SERIES (Tall Units)Starting W/ Serial #1759163

NOTE: The table on the preceding page will be updated through

addendums when subsequent software and electrical changes occur
and more error codes are added. Error Codes 80 - 88 apply to the
700TF/I-2V only, which started at serial ##1898164.

» Clearing Error Codes

1. Unit must be ON

2. Repair problem

3. Press and hold Bell ON/OFF key for 15 seconds

» Manual Component Activation Mode

(Energizes cooling system for 5 minutes)

1. Unit must be ON

2. Press desired

COLDER & UNIT ON/OFF keys simultane-

ously for 10 seconds

NOTE: After performing the above key strokes (depending on
COLDER key chosen), the following will appear on the LCD.
Temperatures shown are for reference only, actual temperatures
may vary.

--1188

SERVICE (Illuminated)

FFEE

Temperature of FE (Freezer Evaporator)

OR

2299

SERVICE (Illuminated) r

EE

Temperature of rE (Refrigerator Evaporator)

PAGE 73

700-2 SERIES (Tall Units)

» Temperature Log Recall Mode

(Compartment Temperature History Only)

1. Unit must be ON

2. Press desired

WARMER & UNIT ON/OFF keys simultane-

ously, then release both keys

NOTE: After performing the above key strokes (depending on
COLDER key chosen), the following will appear on the LCD.
Temperatures shown are for reference only, actual temperatures
may vary.

3388

SERVICE (Illuminated)

0011

2 hour compartment temperature average (at left) with
index number. Number 1 is most recent 2 hour period.

NOTE: SERVICE is always illuminated at first index.

- Press WARMER key in multiple keystrokes to toggle up
through indexes, from 1 to 168.

3366 116688

2 hour compartment temperature average (at left) with
index number. Number 168 is oldest recorded 2 hour peri­od.

- Press COLDER key in multiple keystrokes to toggle down
through indexes, from 168 to 1.

NOTE: Possible event indicators during Temperature Log Recall
Mode is covered later. Temperature Log Recall Mode ends 10
seconds after last key stroke.

PAGE 74

700-2 SERIES (Tall Units)Starting W/ Serial #1759163

» Temperature Log Recall Mode

(Compartment &/or Evaporator temperature History)

1. With unit on, initiate Diagnostic Mode - Press either

COLD-

ER key & UNIT ON/OFF keys simultaneously, then release

3. Toggle through temperature readings by pressing COLDER
or WARMER key until desired thermistor temperature is
observed

4. Press WARMER key for that compartment and UNIT
ON/OFF simultaneously

NOTE: After performing the above key strokes (depending on
WARMER key chosen), the following will appear on the LCD.
Temperatures shown are for reference only, actual temperatures
may vary.

--1100

SERVICE (Illuminated)

0011

2 hour thermistor temperature average (at left) with index
number. Number 1 is most recent 2 hour period.

- Press WARMER key in multiple keystrokes to toggle up
through indexes, from 1 to 168.

--1122 116688

2 hour thermistor temperature average (at left) with index
number. Number 168 is oldest recorded 2 hour period.

- Press COLDER key in multiple keystrokes to toggle down
through indexes, from 168 to 1.

NOTE: Possible event indicators during Temperature Log Recall
Mode is on next page. Temperature Log Recall Mode ends 10
seconds after last key stroke.

PAGE 75

700-2 SERIES (Tall Units)

Possible Event Indicators During Temperature Log Recall

b

11 110077

“bl” indicates index is blank, no temperature recorded yet

3366

SERVICE (Illuminated)

8899

SERVICE illuminated indicates unit was switched off with
UNIT ON/OFF key

Bell (Illuminated)

3388 110055

BELL Illuminated indicates power failure/interruption.

- -

2288

Several consecutive Double Dashes (- -) displayed indi­cates electronic control board is bad. Control board must
be replaced.

NOTE: Temperature Log Recall Mode will end 15 seconds
after last key stroke.

NOTE: Temperatures continue to be logged when unit is
switched off with UNIT ON/OFF key and when Showroom
Mode or Manual Compartment Disable Mode is initiated.

PAGE 76

700-2 SERIES (Tall Units) NOTES

PAGE 77

700-3 SERIES - TALL UNITS

Basic Input Operations

» Power ON/OFF

- Press UNIT ON/OFF key

» Adjusting Set-Point (Temperature Adjust)

- Press COLDER or WARMER keys of desired com­partment

NOTE: Actual compartment temp. is displayed 10 sec­onds after last keystroke.

» Icemaker ON/OFF

- Press ICE ON/OFF key

» Door Ajar Alarm ON/OFF

- Press Bell ON/OFF key

PAGE 78

700-3 SERIES - TALL UNITS

Unique Input Operations

» Temperature Units Selection Mode (°F or °C Display)

- Within first minute of power up, press Bell ON/OFF key
& UNIT ON/OFF key simultaneously for 5 seconds

» Sabbath Mode (Disables lighting)

1. Switch unit OFF

2. Press & hold UNIT ON/OFF key for 10 seconds

NOTE: To exit Sabbath Mode, press UNIT ON/OFF Key.

» Showroom Mode (Disables all but lighting)

1. Switch unit OFF

2. Press COLDER, WARMER & UNIT ON/OFF keys
simultaneously

NOTE: To exit Showroom Mode, repeat steps above.

» Compartment Disable Mode (Disables compartment cool-

ing, “- -” appears on LCD)

1. Switch unit OFF

2. Press desired

WARMER & UNIT ON/OFF keys simulta-

neously

NOTE: To return to normal operation, repeat steps above.

» Manual Defrost

- Press & hold ICE ON/OFF key for 5 seconds.

PAGE 79

700-3 SERIES - TALL UNITS

Possible Error Indicators

NOTE: Temperatures shown are for reference only, actual tempera­tures may vary.

EEEE

SERVICE (Flashing)

3388

Freezer compartment thermistor fault

0000

SERVICE (Flashing)

EEEE

Refrigerator compartment thermistor fault

0000

SERVICE (Flashing)

3388

Several excessive compressor run periods OR
Refrigerator evaporator thermistor fault

SERVICE (Flashing)

0000

ICE (Flashing)

3388

Water valve energized longer than 15 seconds, five consec­utive times. Icemaker system disabled 24 hours each time.

NOTE: A 45 minute dwell follows each IM cycles (no power
to Icemaker). To bypass 45 minute dwell, Switch ice maker
system OFF then back ON.

0000

SERVICE (Steady, not Flashing)

3388

Error Codes logged and observed but not cleared.

NOTE: To clear Error Codes, press bell ON/OFF key for 15 sec­onds.

PAGE 80

700-3 SERIES - TALL UNITS

Troubleshooting Input Operations

» Diagnostic Mode

1. Unit must be ON

2. Press COLDER & UNIT ON/OFF keys simultaneously, then
release both keys

NOTE: After performing the above key strokes, the following will

appear on the LCD. Temperatures shown are for reference
only, actual temperatures may vary.

--0055

SERVICE (Illuminated)

FF

Temperature of F (Freezer Compartment)

- Press COLDER key to toggle to next reading

4400

SERVICE (Illuminated) r

Temperature of r (Refrigerator Compartment)

- Press COLDER key to toggle to next reading

--1122

SERVICE (Illuminated)

FFEE

Temperature of FE (Freezer Evaporator)

- Press COLDER key to toggle to next reading

2299

SERVICE (Illuminated) r

EE

Temperature of rE (Refrigerator Evaporator)

- Pressing the COLDER key at this time will take the display

back to the first reading, the freezer compartment tempera­ture.

(CONTINUED)

PAGE 81

700-3 SERIES - TALL UNITS

(CONTINUED)

NOTE: If “

EECC

” (Error Code) is displayed, see Error Code

Table on next page.

NOTE: If “

EEEE

” is displayed in place of temperature, ther-

mistor in that location is faulty.

NOTE: If “

SS

r” is displayed in place of temperature, unit is

in Showroom Mode.

NOTE: If “

SSPP””

”is displayed, that is the speed the variable

speed compressor is operating at.

NOTE: Diagnostic Mode will end 10 seconds after last

key stroke.

NOTE: To clear Error Indicators, repair problem then switch unit
OFF and back ON. To clear Error Codes, press bell ON/OFF key
for 15 seconds.

PAGE 82

Error Code Table

CODE INDICATION

05 Ref. cabinet therm. read open, short or erratic temp for 10+ sec’s

06 Ref. evap. therm. read open, short or erratic temp for 10+ sec’s

07 Fre. cabinet therm. read open, short or erratic temp for 10+ sec’s

08 Fre. evap. therm. read open, short or erratic temp for 10+ sec’s

20 Defrost underheat & no feedback thru Gr/Wh wire at defrst start

21 Defrost overheat

22 No feedback thru Gr/Wh wire at defrost start

23 Defrost overheat & no feedback thru Gr/Wh wire at defrost start

24 Defrost underheat

30 Excess IM Water Valve Solenoid Activation (> 15 Seconds)

40 Excessive Freezer Comp Run

50 Excessive Refrigerator Comp Run

NOTE: To clear Error Codes, see next page.

700-3 SERIES - TALL UNITS

PAGE 83

700-3 SERIES - TALL UNITS

» Clearing Error Codes

1. Unit must be ON

2. Repair problem

3. Press and hold Bell ON/OFF key for 15 seconds

» Manual Component Activation Mode

(Energizes cooling system for 5 minutes)

1. Unit must be ON

2. Press desired

COLDER & UNIT ON/OFF keys simultane-

ously for 10 seconds

NOTE: After performing the above key strokes (depending on
COLDER key chosen), the following will appear on the LCD.
Temperatures shown are for reference only, actual temperatures
may vary.

--1188

SERVICE (Illuminated)

FFEE

Temperature of F (Freezer Evaporator)

OR

2299

SERVICE (Illuminated) r

EE

Temperature of rE (Refrigerator Evaporator)

PAGE 84

700-3 SERIES - TALL UNITS

» Temperature Log Recall Mode

(Compartment Temperature History Only)

1. Unit must be ON

2. Press desired

WARMER & UNIT ON/OFF keys simultane-

ously, then release both keys

NOTE: After performing the above key strokes (depending on
COLDER key chosen), the following will appear on the LCD.
Temperatures shown are for reference only, actual temperatures
may vary.

3388

SERVICE (Illuminated)

0011

2 hour compartment temperature average (at left) with
index number. Number 1 is most recent 2 hour period.

NOTE: SERVICE is always illuminated at first index.

- Press WARMER key in multiple keystrokes to toggle up
through indexes, from 1 to 168.

3366 116688

2 hour compartment temperature average (at left) with
index number. Number 168 is oldest recorded 2 hour peri­od.

- Press COLDER key in multiple keystrokes to toggle down
through indexes, from 168 to 1.

NOTE: Possible event indicators during Temperature Log Recall
Mode is covered later. Temperature Log Recall Mode ends 15
seconds after last key stroke.

PAGE 85

700-3 SERIES - TALL UNITS

» Temperature Log Recall Mode

(Compartment &/or Evaporator temperature History)

1. With unit on, initiate Diagnostic Mode - Press either

COLD-

ER key & UNIT ON/OFF keys simultaneously, then release

3. Toggle through temperature readings by pressing COLDER
or WARMER key until desired thermistor temperature is
observed

4. Press WARMER key for that compartment and UNIT
ON/OFF simultaneously

NOTE: After performing the above key strokes (depending on
WARMER key chosen), the following will appear on the LCD.
Temperatures shown are for reference only, actual temperatures
may vary.

--1100

SERVICE (Illuminated)

0011

2 hour thermistor temperature average (at left) with index
number. Number 1 is most recent 2 hour period.

- Press WARMER key in multiple keystrokes to toggle up
through indexes, from 1 to 168.

--1122 116688

2 hour thermistor temperature average (at left) with index
number. Number 168 is oldest recorded 2 hour period.

- Press COLDER key in multiple keystrokes to toggle down
through indexes, from 168 to 1.

NOTE: Possible event indicators during Temperature Log Recall
Mode is on next page. Temperature Log Recall Mode ends 15
seconds after last key stroke.

PAGE 86

700-3 SERIES - TALL UNITS

Possible Event Indicators During Temperature Log Recall

b

11 110077

“bl” indicates index is blank, no temperature recorded yet

3366

SERVICE (Illuminated)

8899

SERVICE illuminated indicates unit was switched off with
UNIT ON/OFF key

Bell (Illuminated)

3388 110055

BELL Illuminated indicates power failure/interruption.

- -

2288

Several consecutive Double Dashes (- -) displayed indi­cates electronic control board is bad. Control board must
be replaced.

NOTE: Temperature Log Recall Mode will end 20 seconds
after last key stroke.

NOTE: Temperatures continue to be logged when unit is
switched off with UNIT ON/OFF key and when Showroom
Mode or Manual Compartment Disable Mode is initiated.

PAGE 87

700-3 SERIES - TALL UNITS NOTES

PAGE 88

700-2 SERIES (Base Units)

Basic Input Operations

» Power ON/OFF

- Press UNIT ON/OFF key

» Adjusting Set-Point (Temperature Adjust)

- Press COLDER or WARMER keys of desired com­partment

NOTE: Actual compartment temp. is displayed 10 sec­onds after last keystroke.

» Icemaker ON/OFF

- Press ICE ON/OFF key

» Door Ajar Alarm ON/OFF

- Press Bell ON/OFF key

PAGE 89

700-2 SERIES (Base Units)

Unique Input Operations

» Temperature Units Selection Mode (°F or °C Display)

- Within first minute of power up, press Bell ON/OFF key
& UNIT ON/OFF key simultaneously for 5 seconds

» Sabbath Mode (Disables lighting)

1. Switch unit OFF

2. Press & hold UNIT ON/OFF key for 10 seconds

NOTE: To exit Sabbath Mode, repeat steps above.

» Showroom Mode (Disables all but lighting)

1. Switch unit OFF

2. Press COLDER, WARMER & UNIT ON/OFF keys
simultaneously

NOTE: To exit Showroom Mode, repeat steps above.

» Manual Defrost

- Press & hold ICE ON/OFF key for 5 seconds.

PAGE 90

700-2 SERIES (Base Units)

Possible Error Indicators

NOTE: Temperatures shown are for reference only, actual tempera­tures may vary.

EEEE

SERVICE (Flashing)

3388

700BR lower compartment thermistor Fault

3388

SERVICE (Flashing)

EEEE

700BR upper compartment thermistor fault

4455

SERVICE (Flashing)

4455

700BR evaporator thermistor fault

EE00

700BR & 700BF communication error between
control board & control panel

EE33

700BR & 700BF communication error between
control board & control panel

EEEE

SERVICE (Flashing)

700BF compartment thermistor Fault

NOTE:To clear Error Indicators, repair problem.

PAGE 91

700-2 SERIES (Base Units)

Troubleshooting Input Operations

» Diagnostic Mode

1. Unit must be ON

2. Press COLDER & UNIT ON/OFF keys simultaneously, then
release both keys

NOTE: After performing the above key strokes, the following will
appear on the LCD. Temperatures shown are for reference only,
actual temperatures may vary.

If Model 700BF:

0000

SERVICE (Illuminated)

FF

Temperature of F (Freezer Compartment)

- Press COLDER key to toggle to next reading

--1100

SERVICE (Illuminated)

EE

Temperature of E (Freezer Evaporator)

If Model 700BR:

3366

SERVICE (Illuminated)

LL

Temperature of L (Lower Compartment)

3366

SERVICE (Illuminated)

UU

Temperature of U (Upper Compartment)

2299

SERVICE (Illuminated)

EE

Temperature of E (Refrigerator Evaporator)

PAGE 92

700-2 SERIES (Base Units) Notes

PAGE 93

700-3 SERIES - BASE UNITS

Basic Input Operations

» Power ON/OFF

- Press UNIT ON/OFF key

» Adjusting Set-Point (Temperature Adjust)

- Press COLDER or WARMER keys of desired com­partment

NOTE: Actual compartment temp. is displayed 10 sec­onds after last keystroke.

» Icemaker ON/OFF

- Press ICE ON/OFF key

» Door Ajar Alarm ON/OFF

- Press Bell ON/OFF key

PAGE 94

700-3 SERIES - BASE UNITS

Unique Input Operations

» Temperature Units Selection Mode (°F or °C Display)

- Within first minute of power up, press Bell ON/OFF key
& UNIT ON/OFF key simultaneously for 5 seconds

» Sabbath Mode (Disables lighting)

1. Switch unit OFF

2. Press & hold UNIT ON/OFF key for 10 seconds

NOTE: To exit Sabbath Mode, press UNIT ON/OFF Key.

» Showroom Mode (Disables all but lighting)

1. Switch unit OFF

2. Press COLDER, WARMER & UNIT ON/OFF keys
simultaneously

NOTE: To exit Showroom Mode, repeat steps above.

» Compartment Disable Mode (Disables compartment cool-

ing, “- -” appears on LCD)

1. Switch unit OFF

2. Press desired

WARMER & UNIT ON/OFF keys simulta-

neously

NOTE: To return to normal operation, repeat steps above.

» Manual Defrost

- Press & hold ICE ON/OFF key for 5 seconds.

PAGE 95

700-3 SERIES - BASE UNITS

Possible Error Indicators

NOTE: Temperatures shown are for reference only, actual tempera­tures may vary.

EEEE

SERVICE (Flashing)

3388

Freezer compartment thermistor fault

0000

SERVICE (Flashing)

EEEE

Refrigerator compartment thermistor fault

0000

SERVICE (Flashing)

3388

Several excessive compressor run periods OR
Refrigerator evaporator thermistor fault

SERVICE (Flashing)

0000

ICE (Flashing)

3388

Water valve energized longer than 15 seconds, five consec­utive times. Icemaker system disabled 24 hours each time.

NOTE: A 45 minute dwell follows each IM cycles (no power
to Icemaker). To bypass 45 minute dwell, Switch ice maker
system OFF then back ON.

0000

SERVICE (Steady, not Flashing)

3388

Error Codes logged and observed but not cleared.

NOTE: To clear Error Codes, press bell ON/OFF key for 15 sec­onds.

PAGE 96

700-3 SERIES - BASE UNITS

Troubleshooting Input Operations

» Diagnostic Mode

1. Unit must be ON

2. Press COLDER & UNIT ON/OFF keys simultaneously, then
release both keys

NOTE: After performing the above key strokes, the following will

appear on the LCD. Temperatures shown are for reference
only, actual temperatures may vary.

--0055

SERVICE (Illuminated)

FF

Temperature of F (Freezer Compartment)

- Press COLDER key to toggle to next reading

4400

SERVICE (Illuminated) r

Temperature of r (Refrigerator Compartment)

- Press COLDER key to toggle to next reading

--1122

SERVICE (Illuminated)

EE

Temperature of E (Evaporator)

- Pressing the COLDER key at this time will take the display

back to the first reading, the freezer compartment tempera­ture.

(CONTINUED)

PAGE 97

700-3 SERIES - BASE UNITS

(CONTINUED)

NOTE: If “

EECC

” (Error Code) is displayed, see Error Code

Table on next page.

NOTE: If “

EEEE

” is displayed in place of temperature, ther-

mistor in that location is faulty.

NOTE: If “

SS

r” is displayed in place of temperature, unit is

in Showroom Mode.

NOTE: Diagnostic Mode will end 10 seconds after last

key stroke.

NOTE: To clear Error Indicators, repair problem then switch unit
OFF and back ON. To clear Error Codes, press bell ON/OFF key
for 15 seconds.

PAGE 98

Error Code Table

CODE INDICATION

05 Ref. cabinet therm. read open, short or erratic temp for 10+ sec’s

06 Ref. evap. therm. read open, short or erratic temp for 10+ sec’s

07 Fre. cabinet therm. read open, short or erratic temp for 10+ sec’s

08 Fre. evap. therm. read open, short or erratic temp for 10+ sec’s

20 Defrost underheat & no feedback thru Gr/Wh wire at defrst start

21 Defrost overheat

22 No feedback thru Gr/Wh wire at defrost start

23 Defrost overheat & no feedback thru Gr/Wh wire at defrost start

24 Defrost underheat

30 NA

40 Excessive Freezer Comp Run

50 Excessive Refrig. Comp Run (Excessive Ref Fan Run 700BC/I)

NOTE: To clear Error Codes, see next page.

700-3 SERIES - BASE UNITS

PAGE 99

700-3 SERIES - BASE UNITS

» Clearing Error Codes

1. Unit must be ON

2. Repair problem

3. Press and hold Bell ON/OFF key for 15 seconds

» Manual Component Activation Mode

(Energizes cooling system for 5 minutes)

1. Unit must be ON

2. Press desired

COLDER & UNIT ON/OFF keys simultane-

ously for 10 seconds

NOTE: After performing the above key strokes (depending on
COLDER key chosen), the following will appear on the LCD.
Temperatures shown are for reference only, actual temperatures
may vary.

--0055

SERVICE (Illuminated)

EE

Temperature of E (Evaporator)

OR

3366

SERVICE (Illuminated) r

Temperature of r (Refrigerator Compartment)

PAGE 100

700-3 SERIES - BASE UNITS

» Temperature Log Recall Mode

(Compartment Temperature History Only)

1. Unit must be ON

2. Press desired

WARMER & UNIT ON/OFF keys simultane-

ously, then release both keys

NOTE: After performing the above key strokes (depending on
COLDER key chosen), the following will appear on the LCD.
Temperatures shown are for reference only, actual temperatures
may vary.

3388

SERVICE (Illuminated)

0011

2 hour compartment temperature average (at left) with
index number. Number 1 is most recent 2 hour period.

NOTE: SERVICE is always illuminated at first index.

- Press WARMER key in multiple keystrokes to toggle up
through indexes, from 1 to 168.

3366 116688

2 hour compartment temperature average (at left) with
index number. Number 168 is oldest recorded 2 hour peri­od.

- Press COLDER key in multiple keystrokes to toggle down
through indexes, from 168 to 1.

NOTE: Possible event indicators during Temperature Log Recall
Mode is covered later. Temperature Log Recall Mode ends 15
seconds after last key stroke.