55
Installation and Maintenance
Service Manual
34
Zero-crossing
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and drying
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compressor and
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fan operates.
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loads stop.
Hardware
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1. Replace
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main board
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Limit/
decrease
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protection
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All loads
operates
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operation
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compressor
decreases.
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speed of fan is
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close normally
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replace indoor
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36
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fan motor
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fan motor
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to compressor
stop operation
DC fan motor
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loosed
