PERFORMANCE DATA NO LOAD & NO DOOR OPENINGS AT 0° F FREEZER & 37° F
Type A with Run/Start Capacitor
FRESH FOOD (2500 ++ V5)
65°F (18°C) Ambient 90°F (32°C) Ambient
Variable Speed Standard Variable Speed Standard
Operating Time 74 to 84% 32 to 40% 100% 55 to 65%
Freezer Temperature
Refrigerator Temperature
Low Side Pressure (cut-in)
Low Side Pressure (cut-out)
High Side Pressure (last 1/3 cycle)
-2° to 2° F
-19° to -17° C
34° to 39° F
1° to 4° C
5 to 12 psig
43 to 83 kPa
-2 to 2 psig
-14 to 14 kPa
90 to 105 psig 621 to
724 kPa
0° to 4° F
-18° to -16° C
34° to 39° F
1° to 4° C
5 to 12 psig
43 to 83 kPa
-2 to 2 psig
-14 to 14 kPa
90 to 115 psig 621
to 793 kPa
-1° to 3° F
-18° to -16° C
34° to 39° F
1° to 4° C
N/A
-2 to 2 psig
-14 to 14 kPa
120 to 135 psig
827 to 931 kPa
-1° to 3° F
-18° to -16° C
34° to 39° F
1° to 4° C
5 to 12 psig
43 to 83 kPa
-2 to 2 psig
-14 to 14 kPa
130 to 155 psig
896 to 1069 kPa
Wattage (last 1/3 cycle) 50 to 60 90 to 130 60 to 70 100 to 140
Amps (running) 0.5 to 0.9 0.7 to 1.1 0.6 to 1.0 0.8 to 1.2
Base Voltage 115 vac (127 vac max)
DEFROST SPECIFICATIONS
Cabinet Size
23’ CD, 26’ 25° F (-4° C) 47° F (8° C) 450 30
Electronic Timer - (ADC) Defrost 24 minutes every 6-96 hours of compressor run time.
Thermostat Heater
Cut-in Cut-out Watts Ohms
CONDENSER FAN MOTOR
Watts RPM Amps
3.1 1100 CW Opposite Shaft 0.03 Running
SERVICE DATA SHEET
A01461001
ICE & WATER - AUTOMATIC DEFROST
SIDE BY SIDE - R134a
IMPORTANT: PLEASE RETURN THIS SHEET TO ITS ORIGINAL LOCATION
ERROR CODES SPECIAL MODES
Display
FZ FF FZ FF
Interpretation Mode
-- OP- Open FF mid-level thermistor Manual Defrost d F FF UP and FF DOWN/same to deactivate
-- OP¯ Open FF upper-level thermistor Display/
Showroom
OP -- Open FZ thermistor Sabbath Sb Sb FZ DOWN and FF UP/same to deactivate
Shorted FF mid-level thermistor Diagnostic No FF or FZ display,
-- SH-
-- SH¯ Shorted FF upper-level thermistor Notes:
SH -- Shorted FZ thermistor
UI to Main Control Board com-
SY CF
munication failure; on start up
SY CE UI Main Control Board communica-
• Always check for pin back-outs, pinched or damaged wires before replac-
ing components.
• Determine whether failure is caused by the component, main control board
or wiring. Contact TID before replacing main control board.
• Refer to Service Manual for additional information.
tion error; after a period in operation
SY EF Evaporator fan failure
Board to Compressor
→ Check connections from Inverter
compressor and check resistance
across compressor winding pairs as
→ Remove inverter box from the
Compressor
(BLK and RED wires)
→ Check at Inverter Board on
Display Activate/Deactivate
(press for up to 10 sec. simultaneously)
77 77 FZ UP and FF DOWN/
Power-on-Reset (POR)
FZ UP and FZ DOWN/FF UP to deactivate
all UI LEDs on.
yes
no
Identify and repair damaged
wires or poor connections
between Inverter Board and
Are connections from Inverter
yes yes
yes
shown.
Board to Compressor intact?
Is Inverter Board receiving 10-15
no
Is resistance across all winding
pairs equal?
no
VAC and 1-5 VDC from Main
Control Board?
no
Compressor.
Replace Compressor and
Inverter Board.
Replace Main Control Board.
no
(BLK/WHT and RED/BLK wires)
Is Main Control Board sending
→ Check at Main Control Board
Replace Inverter Board
VCC Resistance Check
Check resistance between terminals 1 and
2, 2 and 3, 3 and 1.
If all resistances are equal,
compressor is operative.
yes
10-15 VAC and 1-5 VDC to
Inverter Board?
Identify and repair damaged wires or
poor connections between Main Control
Board and Inverter Board.
DIAGNOSTIC MODE
Activate: Press FZ UP and FZ DOWN temperature pads for up to 10 sec. simultaneously.
Deactivate: Press FF UP for up to 10 sec. Diagnostic Mode will automatically deactivate after 5
• Tests marked with “*” may not be applicable to this unit and will not be displayed in Diagnostic Mode.
• Tests displayed in diagnostic mode but not described below are for internal purposes only; advance through.
• View UI display for “on,” “off,” “CL,” “OP,” “SH,” “LO,” “HI” or numerical results of tests.
• Listen for operating sounds; feel for heat or air flow as appropriate to determine results of tests.
Test To activate test: Passing result
-- First Screen -- All LED lights on UI illuminated
-- Second Screen -- All segments on UI temperature displays illuminated
-- Third Screen -- Blank UI display, no lights illuminated, no shadowing; “-” and
28 Dispenser Paddle Press disp. paddle “on” on UI when depressed; “off” when released
1* Standard Compressor Press power on-off Compressor running when “on”; stopped when “off”
2 Defrost Heater Press power on-off Defrost limit switch must be closed; verify “CL” in test 26.
3 FF Light Press power on-off With FF door open, FF lights on when “on”; off when “off”
8 Water Valve
(Dispenser)
9 FZ Light Press power on-off With FZ door open, FZ lights on when “on”, off when “off”
10 Auger Motor Press power on-off FF door must be closed.
11 Cube/Crush Solenoid Press power on-off FF door must be closed. Do not leave solenoid in activated state.
41* Perfect Temp
Drawer (PTD)
12* VCC Condenser Fan Press power on-off Fan running when “on”; stopped when “off”
38* VCC Compressor Press power on-off Compressor running when “on”; stopped when “off”
15 Evaporator Fan Press power on-off Fan running for minimum of 10 sec. when “LO” or “HI”;
22 Damper Press power on-off With inspection mirror, observe damper open when “OP”;
23 FF Door Open/close FF door “CL” on UI when door closed; “OP” when open
24 FZ Door Open/close FZ door “CL” on UI when door closed; “OP” when open
26 Defrost Limit Switch Activates
36 Ice Chute Door Depress ice chute
29 FF Thermistor Activates
30 FZ Thermistor Activates
33 Ambient Thermistor @
Main Board
34 Ambient Thermistor
@ UI
0- Firmware Parameters Press power on-off Displays digit sequence; record
2- Main Board Firmware Press power on-off Displays digit sequence; record
4- UI Firmware Press power on-off Displays digit sequence; record
Press FF UP to advance through tests.
min. of inactivity. Note: Silence alarm.
“+” blinking on FF display side to show location.
Feel for heat from defrost heater when “on”.
If “OP” in test 26, heater will not activate.
Press power on-off FF door must be closed.
Be prepared to collect water at dispenser.
Water dispenses when “on”; stops when “off”
Motor running when “on”; motor stopped when “off”
Solenoid activated when “on”; deactivated when “off”
Press power on-off PTD UI illuminated when “on”, off when “off”
stopped when “off”. Feedback failure if fan starts but runs
less than 10 sec. Listen for speed change from “LO” to “HI”.
closed when “CL”
“CL” on UI when closed; “OP” when open
automatically
“OP” on UI when manually opened; “CL” when closed.
door or press
power on-off
Or, using “power on-off”, “OP” on UI when solenoid activated,
“CL” when deactivated
UI shows temperature sensed by FF thermistor; pass if within
automatically
10°F of temperature measured with gauge at mid-level FF
thermistor location. “OP-” if open; “SH-” if short
UI shows temperature sensed by FZ thermistor; pass if within 10°F of
automatically
temperature measured with gage at FZ thermistor location.
“OP” if open; “SH” if short
Activates
automatically
UI shows temperature sensed at main board; pass if within
+20°F/-10°F of temperature measured with gauge at main
board location. “OP” if open; “SH” if short
Activates
automatically
UI shows temperature sensed at UI; pass if within +20°F/-10°F
of temperature measured with gauge at UI location.
“OP” if open; “SH” if short
IMPORTANT SAFETY NOTE
The information provided herein is designed to assist qualified repair personnel only. Untrained persons should not
attempt to make repairs due to the possibility of electrical shock. Disconnect power cord before servicing this appliance.
IMPORTANT
If any green grounding wires are removed during servicing, they must be returned to their original position and
properly secured.
• Check voltage supply.
harness into the inverter board, located in
the machine compartment.
(PUR and WHT wires)
Is Inverter Board receiving 115 VAC
Variable Capacity Compressor (VCC) Diagnostics (select models)
If test 38 fails, diagnose as follows:
→ Check at the connector from the power cord
from power supply?
cord harness wiring and
connections.
• Check and repair power
CAUTION
All electrical parts and wiring must be shielded from torch flame. DO NOT allow torch to touch insulation;
it will char at 200°F and flash ignite (burn) at 500°F. Excessive heat will distort the plastic liner.