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HOW TO USAGE THE MISTAKE CODE TROUBLESHOOTING GUIDE
Error Codes suggest issues signed up by certain components. If mistake codes are registered, they will show up before temperature level analyses while in Diagnostic Setting.
KEEP IN MIND: If Mistake Codes appear with a blinking “SOLUTION” annunciator prior to launching Diagnostic Mode, the system experienced excessive compressor run condition that may or might not be connected with the Mistake Codes showed
To initiate Diagnostic Setting, press and also hold either COLDER secret, then press the POWER key, after that release both keys. Currently, check to see if Mistake Codes exist, making sure to toggle with all mistake and temperature level readings by pressing either COLDER vital or either WARMER trick. (See Mistake Code Table Below).
If Mistake Codes appear throughout Diagnostic Setting, comply with the Error Code Troubleshooting Guide on the adhering to page. The left column of the troubleshooting overview notes the mistake codes. The information in the ideal column discusses what tests to execute and/or what action to take to fix the mistake.
KEEP IN MIND: If mistake codes are observed in diagnostic mode, a non-flashing SOLUTION annunciator will certainly show up on the LCD when Diagnostic Setting finishes, indicating mistake codes are still kept. Error Codes should be cleared from the digital control memory by hand. To clear the non-flashing SOLUTION annunciator as well as the error codes, the issue needs to be dealt with and also the unit has to be ON, then:.
- On a model UC-24C: Press the Fridge Freezer WARMER as well as COLDER tricks for fifteen (15) seconds.
- On a design UC-24B, UC-24R, or UC-24RO: Press the Fridge 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 90 H 82 | 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 82
A. If “EE” for refrigerator compartment was presented and “SOLUTION” flashing, check the following:.
- Thermistor electrical links and continuity from thermistor to J5 on control board. Reconnect/ repair service.
- Resistance of thermistor– 30,000 to 33,000 ohms at 32 ° F( 0 ° C). Change if malfunctioning. B. If “EE” for fridge area was NOT displayed, issue is recurring thermistor mistake:.
- Door not shutting appropriately. Proper door closing issue.
- Examine light button, wiring & electric links. Repair work circuitry/ connections or replace switch.
- Examine thermistor electric connections and connection at J5 on control panel. Reconnect/ repair service.
- Check resistance of thermistor– 30,000 to 33,000 ohms at 32 ° F (0 ° C). Replace if faulty.
C. If “EC 05” and “SOLUTION” were flashing before starting analysis setting, unit also experienced extreme compressor run problem that might or may not be related to the “05” Mistake Code. See Mistake Code 50 Test/Actions.
