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HOW TO USAGE THE MISTAKE CODE TROUBLESHOOTING GUIDE
Mistake Codes indicate problems signed up by certain components. If mistake codes are signed up, they will certainly show up prior to temperature level analyses while in Diagnostic Setting.
NOTE: If Error Codes appear with a flashing “SERVICE” annunciator before starting Diagnostic Setting, the system experienced extreme compressor run problem that might or might not be associated with the Mistake Codes showed
To launch Diagnostic Setting, press and also hold either COLDER trick, then push the POWER secret, then release both keys. Now, examine to see if Error Codes are present, making certain to toggle via all error and temperature analyses by pushing either COLDER crucial or either WARMER secret. (See Error Code Table Below).
If Error Codes show up throughout Diagnostic Setting, adhere to the Mistake Code Troubleshooting Guide on the complying with web page. The left column of the troubleshooting guide notes the mistake codes. The details in the right column clarifies what tests to carry out and/or what action to take to fix the error.
KEEP IN MIND: If error codes are observed in analysis mode, a non-flashing SERVICE annunciator will show up on the LCD when Diagnostic Mode finishes, indicating error codes are still stored. Error Codes have to be gotten rid of from the digital control memory by hand. To remove the non-flashing SERVICE annunciator and the mistake codes, the trouble has to be corrected and also the device should get on, after that:.
- On a design UC-24C: Press the Fridge Freezer WARMER and also COLDER keys for fifteen (15) secs.
- On a version UC-24B, UC-24R, or UC-24RO: Press the Refrigerator WARMER as well as 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 |
Flashing “Service” Indicator | 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. |
Flashing “Solution” Sign.
A. If “EE” for fridge area was shown as well as “SOLUTION” flashing, examine the following:.
- Thermistor electric connections and also connection from thermistor to J5 on control board. Reconnect/ fixing.
- Resistance of thermistor– 30,000 to 33,000 ohms at 32 ° F( 0 ° C). Replace if defective. B. If “EE” for refrigerator compartment was NOT presented, trouble is intermittent thermistor mistake:.
- Door not shutting appropriately. Appropriate door closing problem.
- Check light switch, circuitry & electric links. Repair work wiring/ links or change button.
- Check thermistor electrical connections and continuity at J5 on control board. Reconnect/ fixing.
- Inspect resistance of thermistor– 30,000 to 33,000 ohms at 32 ° F (0 ° C). Replace if defective.
C. If “EC 05” as well as “SERVICE” were flashing prior to initiating analysis mode, unit also experienced too much compressor run condition that may or may not be associated with the “05” Mistake Code. See Mistake Code 50 Test/Actions.