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HOW TO USAGE THE MISTAKE CODE TROUBLESHOOTING OVERVIEW
Mistake Codes indicate troubles signed up by particular components. If mistake codes are registered, they will certainly appear before temperature readings while in Diagnostic Mode.
NOTE: If Mistake Codes appear with a blinking “SERVICE” annunciator before launching Diagnostic Mode, the system experienced extreme compressor run problem that might or might not be related to the Mistake Codes presented
To start Diagnostic Mode, press and hold either COLDER secret, then press the POWER trick, then launch both keys. Now, examine to see if Mistake Codes exist, being sure to toggle via all mistake and also temperature level readings by pushing either COLDER essential or either WARMER key. (See Error Code Table Below).
If Mistake Codes appear throughout Diagnostic Setting, follow the Mistake Code Troubleshooting Guide on the complying with page. The left column of the troubleshooting overview lists the error codes. The details in the right column clarifies what examinations to carry out and/or what action to require to deal with the error.
KEEP IN MIND: If mistake codes are observed in analysis mode, a non-flashing SERVICE annunciator will appear on the LCD when Diagnostic Setting ends, indicating mistake codes are still kept. Error Codes should be removed from the digital control memory by hand. To clear the non-flashing SERVICE annunciator as well as the error codes, the issue must be remedied as well as the device has to get on, then:.
- On a version UC-24C: Press the Fridge Freezer WARMER and COLDER secrets for fifteen (15) secs.
- On a design UC-24B, UC-24R, or UC-24RO: Press the Fridge WARMER and also COLDER secrets for fifteen (15) seconds.
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 80 | High variable speed compressor differential pressures or low voltage supplied to variable speed compressor | Inspect the suction pressure and return the suction pressure to normal levels. |
Error Code 80
A. If “EE” for refrigerator area was presented and also “SERVICE” flashing, inspect the following:.
- Thermistor electric links as well as continuity from thermistor to J5 on control board. Reconnect/ repair.
- Resistance of thermistor– 30,000 to 33,000 ohms at 32 ° F( 0 ° C). Change if faulty. B. If “EE” for fridge compartment was NOT showed, trouble is recurring thermistor mistake:.
- Door not shutting correctly. Right door closing problem.
- Check light switch, circuitry & electric links. Repair wiring/ connections or replace button.
- Inspect thermistor electrical connections as well as continuity at J5 on control board. Reconnect/ repair work.
- Check resistance of thermistor– 30,000 to 33,000 ohms at 32 ° F (0 ° C). Replace if defective.
C. If “EC 05” and also “SOLUTION” were flashing before starting analysis setting, unit likewise experienced extreme compressor run condition that might or might not be related to the “05” Mistake Code. See Error Code 50 Test/Actions.