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[ IX Troubleshooting ]
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HWE09120 GB
1. Error Code
Loose float switch connector
2. Error definition and error detection method
Detection of the disconnected float switch (open-phase condition) during operation
3. Cause, check method and remedy
(1) CN4F disconnection or contact failure
Check for disconnection of the connector (CN4F) on the indoor unit control board.
1. Error Code
Remote controller board fault (nonvolatile memory error)
2. Error definition and error detection method
This error is detected when the data cannot be read out from the built-in nonvolatile memory on the remote controller.
3. Cause, check method and remedy
(1) Remote controller failure
Replace the remote controller.
1. Error Code
Remote controller board fault (clock IC error)
2. Error definition and error detection method
This error is detected when the built-in clock on the remote controller is not properly functioning.
3. Cause, check method and remedy
(1) Remote controller failure
Replace the remote controller.
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