SubZero Refrigerator Freezer Error Code 55 – How to fix? by ApplianceRepairNewYork.us
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HOW TO USE THE MISTAKE CODE TROUBLESHOOTING OVERVIEW
Error Codes suggest issues signed up by certain elements. If mistake codes are registered, they will appear before temperature level analyses while in Diagnostic Mode.
NOTE: If Error Codes appear with a blinking “SOLUTION” annunciator prior to starting Diagnostic Mode, the device experienced excessive compressor run condition that may or might not be associated with the Error Codes presented
To launch Diagnostic Setting, press and hold either COLDER secret, after that push the POWER key, then launch both keys. Currently, check to see if Mistake Codes are present, making certain to toggle through all error and temperature level readings by pushing either COLDER crucial or either WARMER key. (See Error Code Table Below).
If Mistake Codes show up throughout Diagnostic Mode, adhere to the Error 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 examinations to execute and/or what activity to require to fix the mistake.
KEEP IN MIND: If error codes are observed in analysis setting, a non-flashing SERVICE annunciator will show up on the LCD when Diagnostic Setting finishes, showing mistake codes are still stored. Mistake Codes must be cleared from the digital control memory manually. To clear the non-flashing SERVICE annunciator and also the error codes, the trouble has to be dealt with and also the device needs to get on, after that:.
- On a model UC-24C: Press the Freezer WARMER as well as COLDER secrets for fifteen (15) seconds.
- On a design UC-24B, UC-24R, or UC-24RO: Press the Fridge WARMER as well as COLDER keys 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 55 | Faulty Thermistor | A thermistor is a resistor that helps measure and control temperature. If you get this error, your refrigerator’s thermistor may need to be replaced. Your unit may have multiple thermistors, so it is best to contact a Sub-Zero refrigerator repair servicer for assistance. |
Error Code 55
A. If “EE” for fridge area was displayed and “SOLUTION” flashing, check the following:.
- Thermistor electrical links and connection from thermistor to J5 on control panel. Reconnect/ repair service.
- Resistance of thermistor– 30,000 to 33,000 ohms at 32 ° F( 0 ° C). Replace if faulty. B. If “EE” for refrigerator compartment was NOT showed, problem is recurring thermistor error:.
- Door not closing properly. Proper door closing issue.
- Check light switch, electrical wiring & electric connections. Repair electrical wiring/ connections or replace button.
- Examine thermistor electric links as well as connection at J5 on control board. Reconnect/ fixing.
- Check resistance of thermistor– 30,000 to 33,000 ohms at 32 ° F (0 ° C). Change if faulty.
C. If “EC 05” and also “SERVICE” were blinking before initiating analysis mode, unit additionally experienced excessive compressor run problem that might or might not be associated with the “05” Mistake Code. See Mistake Code 50 Test/Actions.