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HOW TO USE THE MISTAKE CODE TROUBLESHOOTING GUIDE
Mistake Codes indicate problems signed up by certain parts. If error codes are signed up, they will appear prior to temperature level analyses while in Diagnostic Setting.
NOTE: If Mistake Codes appear with a blinking “SERVICE” annunciator prior to initiating Diagnostic Setting, the system experienced too much compressor run problem that might or may not be associated with the Error Codes showed
To start Diagnostic Mode, press and hold either COLDER trick, after that push the POWER key, then release both tricks. Currently, inspect to see if Mistake Codes are present, being sure to toggle with all mistake and also temperature analyses by pressing either COLDER essential or either WARMER secret. (See Mistake Code Table Below).
If Error Codes appear throughout Diagnostic Setting, follow the Mistake Code Troubleshooting Guide on the adhering to page. The left column of the troubleshooting guide notes the mistake codes. The information in the ideal column explains what tests to carry out and/or what activity to require to correct the error.
KEEP IN MIND: If mistake codes are observed in analysis setting, a non-flashing SOLUTION annunciator will certainly show up on the LCD when Diagnostic Mode ends, showing error codes are still kept. Error Codes must be removed from the electronic control memory manually. To remove the non-flashing SERVICE annunciator and also the mistake codes, the trouble must be remedied and also the system must get on, then:.
- On a model UC-24C: Press the Fridge Freezer WARMER and COLDER tricks for fifteen (15) secs.
- On a version UC-24B, UC-24R, or UC-24RO: Press the Refrigerator 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 07 | Inconsistent temperature readings in the refrigerator or freezer cabinet. | The issue may be caused by loose or faulty connections between the thermistor and the control board, or it may mean the thermistor is faulty. Refer to your owner’s manual to locate the thermistor, and ensure the wires between the thermistor and control panel are securely connected. If you do not have your original manual, you may be able to find a digital copy online. If the connections are secure, the thermistor and control panel will need to be tested to ensure functionality. Testing requires the use of a multimeter. You may need the assistance of a specialist trained in Sub-Zero refrigerator repair to diagnose and replace the faulty components. |
Error Code 05.
A. If “EE” for refrigerator area was shown and also “SERVICE” flashing, examine the following:.
- Thermistor electric connections and also continuity from thermistor to J5 on control board. Reconnect/ fixing.
- 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 presented, issue is intermittent thermistor mistake:.
- Door not closing properly. Right door closing problem.
- Examine light switch, circuitry & electrical links. Fixing circuitry/ links or replace button.
- Inspect thermistor electrical connections and connection at J5 on control board. Reconnect/ repair service.
- 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 prior to initiating diagnostic setting, system also experienced excessive compressor run problem that might or may not be connected with the “05” Error Code. See Mistake Code 50 Test/Actions.