TDS

SERVICE DATA SHEET
A22302902
ICE & WATER - AUTOMATIC DEFROST
BOTTOM FREEZER - R600a
IMPORTANT: PLEASE RETURN THIS SHEET TO ITS ORIGINAL LOCATION.
SYSTEM DIAGNOSTIC MODE
Activate: Press and hold + and — keys simultaneously for 10 secs. Use + to advance through dierent loads and — to go back to the previous load.
Deactivate: Press and hold + and — keys simultaneously for 10 secs.
Display Test Activation/Deactivation Display Passing result
--- First Screen --- Turn on all LEDS on main UI
---
--- Second Screen --- Turn o all LEDS on main UI
2 FZR Defrost
Press Modes to change the
status of load
Heater on when display reads On, o when oF Defrost heater shows temp increase before 5 min have
passed or reaches 45°C cutout
8 Main Water Valve Main valve is activated when On, stops when oF Valve turns on and o
82
IM Water Valve +
Main Valve
Remove ice tray to collect water into a container to measure water fill.
If collecting water into ice tray, perform test 88 first to empty tray.
Water flows in the tray when On, test is correspondent to Ice tray water fill
setting; automatically goes to oF state once configured time has elapsed.
Water is dispensed at ice tray for configured time setting.
13 FF Light FF lights come on when On; lights turn o when oF All FF lights turn on
15
FRZ Evaporator
Fan Motor
Fan runs at 3 speeds: max speed On, medium speed MI, stopped oF;
locked rotor will show Lc.
No PWM signal will show nS; when fan is stopped oF
No 12V signal or ground will show nP when fan is On or MI
Fan will cycle through all 3 speeds and Lc or nS or nP is
not displayed
38 VCC Compressor Compressor is running at max speed when On, stopped when oF Compressor successfully turns on
63 Flipper Mullion
DC Heater
Flipper mullion heater is activated when On, deactivated when oF Heater turns on successfully and dierence in
temperature is felt around along flipper mullion
94 FRZ Fill Tube Heater FRZ fill tube heater is activated when On, deactivated when oF Fill tube heater is successfully turned on and o.
Temperature increase is noted in fill tube area
22 FF Damper Motor FRZ Evap Fan will turn on at max speed
Damper is open when OP, closed when CL
Check for air flow when damper is fully open (OP) and no air flow
when fully closed (CL)
Screen will blink 1 during damper movement
Any FRZ evap fan motor errors will display alternately of damper
status during test.
Damper opens and closes successfully and no air flow is
felt when damper is closed (CL)
88 FRZ IM Twist Tray
Harvest Test
Remove ice bucket to see rotation of tray.
Display will show Go when tray is in home position (horizontal). Screen
will blink 1 during rotation.
In case of failure at end of twisting operation, screen will show Er
Display reads correctly when door is opened/closed
86 FRZ IM Bail Arm/
Ice Level Bucket
Remove ice bucket in order to see status of IM bail arm.
Allow bail arm to drop freely, Em (empty) will show when tray returns home.
Hold bail arm up by hand, Fu (full) will show when tray returns home
In case of failure at end of twisting operation, will show Er. Screen will
blink 1 during rotation.
Bail arm successfully completes test and Er is not
displayed at the end of each cycle.
23 FF Door Switch Open/Close FF doors
Display shows CL when door is closed; OP when open Display reads correctly when door is opened/closed
24 FRZ Door Switch Open/Close FRZ door
29 FF Temp Sensor
Activates automatically
Display will show FF cabinet air temperature in either °C or °F
depending on mode
Display will read OP if open circuit, SH if short circuit
Temperature is displayed and does not show OP or SH
30 FRZ Temp Sensor Display will show FRZ cabinet air temperature in either °C or °F
depending on mode
Display will read OP if open circuit, SH if short circuit
33 Ambient Temp
Sensor
Display will show ambient temperature in either °C or °F
depending on mode
Display will read OP if open circuit, SH if short circuit
39 FRZ Evaporator
Temp Sensor
Display will show FRZ evaporator temperature in either °C or °F
depending on mode
Display will read OP if open circuit, SH if short circuit
64 Humidity Sensor Display will show relative humidity sensed by H&T sensor on UI.
Display will read OP if open circuit, SH if short circuit
87 FRZ IM Tray
Temp Sensor
Display will show FRZ IM tray temperature in either C or F
depending on mode
Display will read OP if open circuit, SH if short circuit
This concludes the hardware tests. The following tests correspond to firmware versions. Before each
firmware version is displayed “--” will appear on screen followed by each 8-digit string represent-
ing firmware version. After the string has been displayed, “--” will appear again before automatically
proceeded to the next 8-digit string. Press “+” to advance to the next string at any time
--
Software
Version
Runs automatically scrolling
through all digits
Press “+” button to skip
to next test
Displays digit sequence related
to software loaded onto main
power board; 8 digit sequence
Firmware version is
able to be
recorded from
display
Main Board
Firmware
Version
Ruby UI
Firmware
Version
Lifetime
Press + button to advance
to next digit
Displays number of days the
appliance has been powered up,
even not consecutively
Range is from 0-9999
Lifetime displays
successfully on
display
After Lifetime is displayed, last display is a 1-second counting up timer (0, 1, 2, 3…) this communicates
the Service Mode has come to an end
To return to normal operation, press and hold “+” and “-” for 10 seconds or plug/unplug the appliance
PERFORMANCE DATA NO LOAD & NO DOOR OPENINGS AT 37°/0° CONTROL SETTING
Type A with Run /
Start Capacitor
90°F (32°C) Ambient
Operating Time 90 to 100%
Freezer Temp ‘-13°F to 3°F (-25°C to -16°C)
Refrigerator Temp 34° to 44°F (1° to 7°C)
Low Side Pressure 10 psi (69kPa)
High Side Pressure
(last 1/3 cycle)
67 - 69 psi (472kPa)
Wattage (last 1/3 cycle) 40W to 42W
Amps (running) 0.6W to 0.7W
Base Voltage 115 vac (127 vac max)
DEFROST SPECIFICATIONS
Cabinet
Size:
22’ CD
Thermal Cutout Heater Defrost
Thermistor
Termination
Cut-out Watts Ohms Cut-out
FRZ
2 fuses, each fuse
rated to open @ 72°C
+0/-4°C
172 76.9 10°C
Electronic Timer - (ADC) Defrost 30 minutes every 8-96 hours of compressor run time.
ERROR CODES
Display
Interpretation
1st message 2nd message
Er
CE Communication Error UI to Main Board
t1 Fzr Temp Sensor Open/Shorted
t2 Fzr Defrost Sensor Open/Shorted
t3 FF Temp Sensor Open/Shorted
t8 FRZ IM Temp Sensor
SPECIAL MODES
Mode Display Activate Deactivate
Manual
Defrost
t Press and Hold + &
Reset Water Filter for 10 secs
---
Demo /
Showroom
dE
Press and Hold — &
Reset Water Filter for 10 secs
Sabbath
Sb Press and Hold — &
Reset Air Filter for 5 secs
System
Di-
agonostics
Refer to
System
Diagnostics
Table
Press and Hold + &
— for 10 secs
° F/ ° C
Display
F or C
Press and Hold Freeze Boost & + for 5 seconds
IM Fill
Time Menu
Settings will
appear on UI
Press and Hold Modes & Ice Maker for
10 secs
Automatically after 10 secs of
no activity
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.
FREEZER ICE MAKER FILL TIME ADJUSTMENT MODE
Setting # Pressure Condition Fill Time
1
Normal-High
(more than 60 psi)
4.6 secs
2
Low
(between 30 and 60 psi)
5.8 secs
3
Very Low
(between 20 and 30 psi)
6.6 secs
4
Extremely Low
(less than 20 psi)
7.2 secs