Kaysun KEM-30 DNS3, Owners & Installation Manual

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31 PA Cooling return water temperature too high Recovered upon failure recovery
32 Pb Winter antifreeze protection Recovered upon failure recovery
33 PC Evaporator pressure low in cooling Recovered upon failure recovery
35 PE
Cooling evaporator low-temperature
antifreeze protection (recovered through button)
Recovered upon failure recovery
37 PH Heating T4 too high temperature protection Recovered upon failure recovery
38 PL Tfin module too high temperature protection
Protection occurs 3 times in 100 minutes
and the failure can be recovered by power
disconnection only.
40 PU
1PU-->DC fan A module protection Recovered upon failure recovery
2PU-->DC fan B module protection Recovered upon failure recovery
41 H0
1H0: IPM module communication failure Recovered upon failure recovery
2H0: IPM module communication fault Recovered upon failure recovery
42 H1 Over/under-voltage protection Recovered upon failure recovery
45 H4
1H4: PP protection occurs 3 times in 60 minutes (power failure recovery) Reserved
2H4: PP protection occurs 3 times in 60 minutes (power failure recovery) Reserved
47 H6
1H6: A system bus voltage failure (PTC) Recovered upon failure recovery
2H6: B system bus voltage failure (PTC) Recovered upon failure recovery
72 Fb Pressure sensor failure Recovered upon failure recovery
74 Fd Air suction temperature sensor failure Recovered upon failure recovery
76 FF
1FF DC fan A failure
Protection occurs 3 times in 20 minutes
and the failure can be recovered by power
disconnection only.
2FF DC fan B failure
Protection occurs 3 times in 20 minutes
and the failure can be recovered by power
disconnection only.
79 FP DIP inconsistency of multiple water pumps Power failure recovery required
101 L0 Inverter module protection Recovered upon failure recovery
102 L1 DC bus low voltage protection Recovered upon failure recovery
103 L2 DC bus high voltage protection Recovered upon failure recovery
105 L4 MCE failure Recovered upon failure recovery
106 L5 zero speed protection Recovered upon failure recovery
108 L7 phase sequence error Recovered upon failure recovery
109 L8
Compressor frequency variation more than 15Hz within one second
protection
Recovered upon failure recovery
110 L9
Actual compressor frequency differs from target frequency by more than
15Hz protection
Recovered upon failure recovery
146 dF Defrosting prompt Recovered upon failure recovery