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17.5.9 Deice Circulation Error (H65)
Malfunction Decision Conditions:
During startup and operation of deice (mode 2), the water flow (> 10l/min) detected by the water flow switch is
used to determine deice circulation error.
Malfunction Caused:
1
Water flow in air-to-water heatpump indoor unit circuitry.
2
Faulty indoor unit water flow switch.
3
Faulty indoor unit water pump.
4
Faulty indoor unit PCB.
Abnormality Judgment:
Continue for 10 seconds.
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