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HOW TO USE THE MISTAKE CODE TROUBLESHOOTING GUIDE
Error Codes suggest problems registered by specific elements. If mistake codes are signed up, they will appear prior to temperature analyses while in Diagnostic Setting.
NOTE: If Error Codes appear with a blinking “SERVICE” annunciator before initiating Diagnostic Mode, the unit experienced extreme compressor run condition that might or may not be connected with the Error Codes showed
To start Diagnostic Setting, press as well as hold either COLDER key, after that push the POWER key, then release both tricks. Now, examine to see if Mistake Codes exist, making certain to toggle via all error and temperature analyses by pressing either COLDER essential or either WARMER trick. (See Error Code Table Below).
If Mistake Codes show up during Diagnostic Mode, comply with the Mistake Code Troubleshooting Overview on the following page. The left column of the troubleshooting guide notes the mistake codes. The details in the ideal column explains what tests to carry out and/or what activity to take to fix the mistake.
NOTE: If error codes are observed in analysis mode, a non-flashing SERVICE annunciator will certainly appear on the LCD when Diagnostic Setting ends, showing mistake codes are still kept. Mistake Codes need to be gotten rid of from the digital control memory manually. To clear the non-flashing SOLUTION annunciator as well as the error codes, the trouble should be dealt with and also the system should get on, after that:.
- On a version UC-24C: Press the Freezer WARMER and also COLDER tricks for fifteen (15) seconds.
- On a model UC-24B, UC-24R, or UC-24RO: Press the Fridge WARMER as well as COLDER secrets for fifteen (15) secs.
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 under-heat 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 under-heat |
30 | N/A |
40 | Excessive Freezer Compressor Run |
50 | Excessive Refrigerator Compressor Run |
Error Code | CAUSE | SOLUTION |
Error Code 90 H 83 | Communication issue with the main board. | This error indicates that the main control board needs to be reset or replaced. Disconnect the refrigerator from the power by unplugging it, or turning off power at the circuit board. Wait ten minutes and reconnect the power. If the fault is not resolved, contact a service technician for additional assistance. |
Error Code 90 H 83
A. If “EE” for fridge compartment was shown and “SERVICE” flashing, check the following:.
- Thermistor electric connections as well as connection from thermistor to J5 on control panel. Reconnect/ repair service.
- Resistance of thermistor– 30,000 to 33,000 ohms at 32 ° F( 0 ° C). Replace if malfunctioning. B. If “EE” for fridge compartment was NOT showed, problem is recurring thermistor error:.
- Door not shutting effectively. Appropriate door closing issue.
- Examine light switch, electrical wiring & electrical connections. Repair electrical wiring/ connections or replace button.
- Examine thermistor electric links as well as connection at J5 on control board. Reconnect/ repair.
- Inspect resistance of thermistor– 30,000 to 33,000 ohms at 32 ° F (0 ° C). Replace if faulty.
C. If “EC 05” as well as “SOLUTION” were blinking before launching diagnostic mode, system also experienced too much compressor run problem that might or may not be associated with the “05” Error Code. See Error Code 50 Test/Actions.