Difference between revisions of "Multi Plus ODU Main Board Troubleshooting"
From Technical Support Wiki
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* Replace the outdoor board | * Replace the outdoor board | ||
|- | |- | ||
| + | | 3 | ||
| + | | The Unit Over-Current Turn Off Fault | ||
| + | | | ||
| + | * Control board current sampling circuit has failed | ||
| + | * The current is too high because the supply voltage is too low | ||
| + | * The compressor is blocked | ||
| + | * Overload in heating mode | ||
| + | * Overload in cooling mode | ||
| + | |- | ||
| + | | 4 | ||
| + | | EEprom Data Error | ||
| + | | | ||
| + | * EE components have failed | ||
| + | * EE components control circuit failed | ||
| + | * EE components have been inserted incorrectly | ||
| + | | | ||
| + | * Replace the EE components | ||
| + | * Replace the outdoor control board | ||
| + | * Reassemble the EE components | ||
| + | |- | ||
| + | | 5 | ||
| + | | | ||
|} | |} | ||
Revision as of 18:07, 25 September 2019
| Fault Code | Fault Description | Possible Reason for Fault | Potential Fixes |
|---|---|---|---|
| 1 | Outdoor Ambient Temperature Sensor Fault |
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| 2 | Outdoor Coil Temperature Sensor Fault |
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| 3 | The Unit Over-Current Turn Off Fault |
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| 4 | EEprom Data Error |
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| 5 |