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HOW TO USAGE THE MISTAKE CODE TROUBLESHOOTING OVERVIEW
Mistake Codes indicate troubles signed up by certain components. If error codes are signed up, they will certainly appear prior to temperature level analyses while in Diagnostic Mode.
NOTE: If Error Codes appear with a flashing “SOLUTION” annunciator prior to launching Diagnostic Setting, the device experienced excessive compressor run problem that might or may not be associated with the Error Codes displayed
To launch Diagnostic Mode, press and also hold either COLDER trick, after that push the POWER secret, after that release both keys. Currently, check to see if Error Codes are present, making sure to toggle with all mistake and also temperature level readings by pushing either COLDER vital or either WARMER key. (See Mistake Code Table Below).
If Error Codes show up throughout Diagnostic Setting, follow the Error Code Troubleshooting Overview on the adhering to page. The left column of the troubleshooting overview provides the error codes. The info in the right column explains what examinations to carry out and/or what activity to require to fix the error.
NOTE: If error codes are observed in analysis mode, a non-flashing SOLUTION annunciator will certainly show up on the LCD when Diagnostic Setting ends, showing error codes are still stored. Error Codes need to be cleared from the digital control memory by hand. To get rid of the non-flashing SOLUTION annunciator and the error codes, the trouble has to be fixed and also the system has to get on, then:.
- On a model UC-24C: Press the Fridge Freezer WARMER and also COLDER keys for fifteen (15) seconds.
- On a version UC-24B, UC-24R, or UC-24RO: Press the Refrigerator WARMER and 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 85 | The variable speed compressor is overheating | This may indicate low levels of refrigerant in the unit caused by a leak in the refrigerator’s sealed system. Another potential cause for this error is the refrigerator is drawing excessive electrical power causing the system to overheat. Both issues require the service of a qualified technician to resolve. |
Error Code 85
A. If “EE” for refrigerator compartment was displayed as well as “SOLUTION” blinking, inspect the following:.
- Thermistor electrical links and continuity from thermistor to J5 on control panel. Reconnect/ repair service.
- Resistance of thermistor– 30,000 to 33,000 ohms at 32 ° F( 0 ° C). Change if malfunctioning. B. If “EE” for refrigerator area was NOT showed, trouble is periodic thermistor mistake:.
- Door not closing properly. Appropriate door closing issue.
- Inspect light switch, circuitry & electric links. Fixing wiring/ connections or replace switch.
- Check thermistor electrical links as well as connection at J5 on control board. Reconnect/ repair work.
- Inspect resistance of thermistor– 30,000 to 33,000 ohms at 32 ° F (0 ° C). Change if faulty.
C. If “EC 05” and “SOLUTION” were flashing prior to starting analysis mode, system also experienced extreme compressor run problem that may or might not be connected with the “05” Error Code. See Mistake Code 50 Test/Actions.
