Panasonic WH-SDC03H3E5 Service Manual page 181

Air-to-water heatpump
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16.5.36 Outdoor High Pressure Switch Abnormal (F27)
Malfunction Decision Conditions:
During compressor stop, and outdoor high pressure switch is remain opened.
Malfunction Caused:
1
Faulty connector connection.
2
Faulty switch.
3
Faulty outdoor unit PCB (main).
Abnormality Judgment:
Continue for 1 minute.
181

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