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HOW TO USAGE THE MISTAKE CODE TROUBLESHOOTING OVERVIEW
Error Codes indicate troubles registered by details components. If mistake codes are registered, they will certainly show up before temperature level analyses while in Diagnostic Mode.
NOTE: If Error Codes appear with a blinking “SOLUTION” annunciator before initiating Diagnostic Mode, the unit experienced excessive compressor run condition that might or may not be associated with the Mistake Codes displayed
To launch Diagnostic Mode, press as well as hold either COLDER key, then push the POWER key, then release both secrets. Currently, check to see if Mistake Codes are present, making sure to toggle via all mistake and temperature level analyses by pushing either COLDER key or either WARMER trick. (See Mistake Code Table Below).
If Error Codes appear throughout Diagnostic Setting, follow the Mistake Code Troubleshooting Overview on the following page. The left column of the troubleshooting overview lists the error codes. The info in the best column discusses what examinations to execute and/or what action to require to fix the error.
NOTE: If error codes are observed in diagnostic mode, a non-flashing SERVICE annunciator will certainly appear on the LCD when Diagnostic Mode finishes, indicating error codes are still saved. Mistake Codes have to be cleared from the digital control memory manually. To clear the non-flashing SOLUTION annunciator and the error codes, the trouble needs to be dealt with and the system needs to be ON, then:.
- On a version UC-24C: Press the Fridge Freezer WARMER as well as COLDER keys for fifteen (15) secs.
- On a version UC-24B, UC-24R, or UC-24RO: Press the Refrigerator WARMER and also COLDER keys 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 38 | Multiple (greater than 5) instances of excessive compressor runtime. | Inspect the thermistor and compressor for malfunctions. |
Error Code 38
A. If “EE” for refrigerator area was shown and also “SERVICE” blinking, inspect the following:.
- Thermistor electric links and connection from thermistor to J5 on control board. Reconnect/ fixing.
- Resistance of thermistor– 30,000 to 33,000 ohms at 32 ° F( 0 ° C). Replace if malfunctioning. B. If “EE” for fridge area was NOT showed, problem is recurring thermistor error:.
- Door not shutting correctly. Right door closing issue.
- Inspect light button, electrical wiring & electrical connections. Fixing electrical wiring/ links or replace switch.
- Examine thermistor electrical links as well as connection at J5 on control board. Reconnect/ repair work.
- Check resistance of thermistor– 30,000 to 33,000 ohms at 32 ° F (0 ° C). Change if faulty.
C. If “EC 05” and also “SOLUTION” were flashing before launching diagnostic setting, system additionally experienced extreme compressor run condition that may or may not be connected with the “05” Mistake Code. See Error Code 50 Test/Actions.