Troubleshooting Guide
Problem | Possible Cause | |
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1. | Freezer too warm. | • Freezer thermistor failed. Run diagnostic test Step 1. |
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| • Excessive frost on evaporator. Check defrost system with diagnostic test, |
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| Step 6. |
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| • Freezer light not shutting off. |
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| • Condenser blocked or fan motor not running. |
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| • Evaporator fan motor failed. Confirm at Step 3 in diagnostic test mode. |
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2. | Freezer too cold. | • Failed freezer thermistor. Run diagnostic test. |
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3.Refrigerator too warm. • Refrigerator thermistor failed. Run diagnostic test.
•Excessive frost on evaporator. Check defrost system in test mode with Step 6.
•Refrigerator light not shutting off.
•Baffle not opening or air returns blocked.
•Condenser blocked or fan motor not running.
•Evaporator fan motor failed. Confirm at Step 3 in diagnostic test mode.
4. | Refrigerator too cold. | • Air baffle not closing. |
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| • Refrigerator thermistor failed. Run diagnostic test. |
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5. Refrigerator won’t run. | • Is control powered off? Press the “Power” button for 2 seconds. If there is no | |
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| response, unplug refrigerator for 30 seconds. Plug in refrigerator and check for |
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| normal operation. |
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| • Failed control board. Run diagnostic test. |
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6. | Evaporator fan | • It is normal for the fan to delay for the first 4 minutes 15 seconds after defrost |
| won’t run. | and 40 seconds after the compressor starts. |
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| • Failed fan motor. Confirm at Step 3 in test mode. |
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7. | Defrost system not | • Enter the diagnostic mode and go to Step 6. Confirm the heater is operating. |
| operating. | NOTE: If the |
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| insulated jumper. |
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8. | Defrost heater won’t | • After the first 5 minutes of defrost, it is normal for the heater to cycle at |
| stay on. | the rate of off for 1 minute and on for 2 minutes. |
9.Control does not respond. • Disconnect the power for 30 seconds. Reconnect the power and run diagnostics. If the control still does not respond, replace the control board.
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