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Gree GWH24QD-K6DNC4A Series - Page 86

Gree GWH24QD-K6DNC4A Series
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83
Installation and Maintenance
Service Manual
(12) Other
Malfunction
1.IPM module temperature sensor is open-circuited (P7)

2.Overheating protection of IPM module (P8)
ķ

ĸ

Ĺ

3.Detection circuit malfunctions of phase-current of compressor (U1)

4.DC busbar voltage is too high (PH)
ķ

ĸ

5.DC busbar voltage is too low (PL)
ķ

ĸ

6.Malfunction of ODU DC fan (L3)
ķ

ĸ

Ĺ


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