Electronic Circuit - Daikin R71FUV1 Service Manual

Skyair series service diagnosis

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Troubleshooting by Remote Controller

Electronic circuit

According to the checking aforementioned, it is probed

that the error results from the defective inverter. The

following section describes supposed causes of the

defective inverter.

1 Defective compressor (ground leakage)

1 Defective fan motor (ground leakage)

1 Entry of conductive foreign particles

1 Abnormal voltage (e.g. overvoltage, surge (thunder),

or unbalanced voltage)

In order to replace the defective inverter, be sure to

check for the points aforementioned.

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