Alarm Code | E29 |
Alarm meaning |
Outdoor unit failed to receive communication from outdoor unit (main). |
Alarm conditions |
Outdoor unit communications from outdoor unit (main) were interrupted for 3 minutes or longer. |
Probable cause |
- After initial communications were completed, the outdoor unit main-sub control wiring was cut.
- After initial communications were completed, the RC connector became disconnected.
- The power at the outdoor unit (main unit) is turned OFF.
|
Check |
- Check the outdoor unit main-sub control wiring.
- Check the RC connectors.
|
Correction |
- Repair the outdoor unit main-sub control wiring.
- Correct the RC connector connection.
- Turn ON the outdoor unit (main) power.
|
Example |
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Notes |
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