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*Always refer to Service Sheet and Use and Care Manual for information specic to the refrigerator you are servicing.
Figure 1
Digit 1 Digit 2
Figure 2
Service Diagnostics Mode
To Enter Service Diagnostics Mode:
Press SW1 and SW2 simultaneously for 3
seconds, see figure 1. There will be a 3,2,1
countdown on the display, see figure 2. Release
both buttons when "Beep" sounds. Unit must not
be in "Lockout" prior to entering the Service
Diagnostic Mode. The display will show "0I" to
indicate the control is in step1 of the diagnostics
routine.
Switch Diagram
Display Digits
Cooling diagnostics are steps 1 through 7. Dispensing diagnostics are steps 8
through 30. Each step must be manually advanced.
Press SW5 to advance to the next step in sequence.
Press SW4 to return to the previous step. Diagnostics will begin at Step 1.
Step Display
Amber LED's
Status Display
Red LED's
This is an internal board test. The board will check
the resistance value of the Thermistor and display
the results in the RC Temperature Display.
01 = Pass
02 =Open
03 = short
This is an internal board test. The board will check
the resistance value of the Thermistor and display
the results in the RC Temperature Display.
Suggested Diagnostics Routine
Cooling system steps 1-7
Dispensing system steps 8-30
Component Status Indicator
Each step is displayed as 2 digits in the dispenser display. The step results are displayed using the same 2 digits
but 2 seconds after the step number is displayed. The step number is identified using Amber LED's.
In the diagnostic mode, all buttons and pad inputs are ignored and all inputs are off except as described in the
actions of each step.
Note: The ice door motor cycles one minute after an ice dispense is initiated.
Service Note: If the control does not respond, disconnect the refrigerator from power for 10 second. Reconnect to
power and wait 10 seconds before entering the Service Diagnostics.
To Exit Service Diagnostics Mode. Do one of the following options:
1. Press SW1 and SW2 simultaneously for 3 seconds.
2. Disconnect the refrigerator from power and reconnect.
3. Allow 20 minutes for the program to automatically time out.
Following the exit from the diagnostics mode, the control will resume normal operation.
The cooling diagnostics are listed first followed by the dispensing diagnostics.
1
Step
Number
FC Thermistor
2
RC Thermistor
Component
Tested