SubZero Refrigerator Freezer Error Code SU – How to fix? by SubZeroRepairService.us
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HOW TO USE THE MISTAKE CODE TROUBLESHOOTING GUIDE
Blunder Codes recommend problems subscribed by particular aspects. If mistake codes are registered, they will certainly turn up prior to temperature level analyses while in Diagnostic Setup.
BEAR IN MIND: If Blunder Codes appear with a blinking “SOLUTION” annunciator prior to launching Diagnostic Mode, the system experienced excessive compressor run problem that could or may not be connected to the Error Codes displayed
To start Diagnostic Setup, press as well as additionally hold either COOLER method, afterwards press the POWER secret, then release both tricks. Presently, evaluate to see if Blunder Codes are present, making sure to toggle with all mistake as well as temperature level readings by pressing either COLDER essential or either WARMER key. (See Mistake Code Table Below).
If Error Codes turn up throughout Diagnostic Setting, follow the Blunder Code Troubleshooting Guide on the sticking to websites. The left column of the troubleshooting guide details the mistake codes. The info in the best column clarifies what examinations to accomplish and/or what activity to need to deal with the blunder.
NOTE: If mistake codes are observed in diagnostic mode, a non-flashing OPTION annunciator will definitely show up on the LCD when Diagnostic Setting finishes, recommending error codes are still conserved. Blunder Codes have to be gotten rid of from the electronic control memory by hand. To get rid of the non-flashing SERVICE annunciator as well as additionally the mistake codes, the trouble needs to be treated in addition to the unit has to get on, afterwards:.
On a variation UC-24C: Press the Fridge Freezer WARMER and also COLDER keys for fifteen (15) secs.
On a style UC-24B, UC-24R, or UC-24RO: Press the Fridge WARMER as well as 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 SU | Wiring or Defrost Issue | A Sub-Zero appliance repair technician will need to check the wiring to ensure all parts are working and connected properly. |
Error Code SU
A. If “EE” for fridge area was revealed in addition to “SOLUTION” flashing, check the following:.
Thermistor electrical web links and also continuity from thermistor to J5 on control board. Reconnect/ dealing with.
Resistance of thermistor– 30,000 to 33,000 ohms at 32 ° F( 0 ° C). Change if malfunctioning. B. If “EE” for fridge location was ABSENT, issue is reoccuring thermistor blunder:.
Door not closing properly. Suitable door closing trouble.
Inspect light switch, electrical wiring & electrical links. Dealing with electrical circuitry/ web links or change button.
Analyze thermistor electrical links and link at J5 on control panel. Reconnect/ repair solution.
Take a look at resistance of thermistor– 30,000 to 33,000 ohms at 32 ° F (0 ° C). Change if defective.
C. If “EC 05” in addition to “SERVICE” were blinking prior to launching analysis mode, gadget additionally experienced extreme compressor run issue that might or could not be related to the “05” Blunder Code. See Mistake Code 50 Test/Actions.
