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Sub-Zero is the embodiment of style and also performance refrigeration. It isn’t simply an appliance, your Sub-Zero is an essential element of your best kitchen area. It makes good sense that you wouldn’t want to trust your refrigerator to just any type of device repair company. You desire a group of Sub-Zero refrigerator repair service specialists that can safeguard your financial investment while offering the costs solution you deserve.
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HOW TO USE THE MISTAKE CODE TROUBLESHOOTING OVERVIEW
Error Codes indicate issues signed up by details parts. If error codes are signed up, they will appear before temperature analyses while in Diagnostic Mode.
KEEP IN MIND: If Mistake Codes appear with a flashing “SOLUTION” annunciator prior to starting Diagnostic Mode, the device experienced too much compressor run problem that might or might not be related to the Mistake Codes displayed
To start Diagnostic Mode, press and hold either COLDER trick, after that push the POWER trick, then release both secrets. Currently, inspect to see if Mistake Codes exist, making sure to toggle through all mistake and temperature readings by pushing either COLDER crucial or either WARMER trick. (See Error Code Table Below).
If Error Codes show up throughout Diagnostic Mode, comply with the Error Code Troubleshooting Overview on the following page. The left column of the troubleshooting overview details the error codes. The details in the ideal column describes what tests to perform and/or what action to require to deal with the error.
NOTE: If error codes are observed in diagnostic setting, a non-flashing SERVICE annunciator will certainly appear on the LCD when Diagnostic Setting finishes, indicating error codes are still kept. Error Codes need to be gotten rid of from the digital control memory manually. To clear the non-flashing SOLUTION annunciator and the mistake codes, the problem should be remedied and also the system needs to be ON, then:.
- On a design UC-24C: Press the Fridge Freezer WARMER and also COLDER secrets for fifteen (15) secs.
- On a design UC-24B, UC-24R, or UC-24RO: Press the Fridge WARMER as well as COLDER secrets for fifteen (15) secs.
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 84 | 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 84
A. If “EE” for refrigerator area was presented as well as “SOLUTION” flashing, inspect the following:.
- Thermistor electrical links as well as continuity from thermistor to J5 on control board. Reconnect/ repair work.
- Resistance of thermistor– 30,000 to 33,000 ohms at 32 ° F( 0 ° C). Change if defective. B. If “EE” for refrigerator compartment was NOT presented, trouble is periodic thermistor error:.
- Door not closing effectively. Correct door closing trouble.
- Examine light button, electrical wiring & electrical links. Repair electrical wiring/ links or change switch.
- Inspect thermistor electrical links and 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 malfunctioning.
C. If “EC 05” and “SOLUTION” were flashing before starting analysis mode, device likewise experienced extreme compressor run problem that may or may not be associated with the “05” Mistake Code. See Error Code 50 Test/Actions.
