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.
Loading...