Ⅵ
.Operation introduction
Water heater
7
4 Failure code and parameter tables
Protect/Failure
Heat ump in Stand-by mode
Normal running
Inlet water temperature sensor failure
Outlet water temperature sensor failure
Coil temperature sensor 1 failure
Gas suction side temperature sensor 1 failure
Ambient temperature sensor failure
Coil temperature sensor 2 failure
Winter anti-freezing protection I
Winter anti-freezing protection II
Gas suction side temperature sensor 2 failure
Exhaust temp sensor 1 failure
Exhaust temp sensor 2 failure
Exhaust 1 high temp protection
Exhaust 2 high temp protection
System high pressure protection
System low pressure protection
Water flow switch failure
Power source wrong/open phase
Wire controller communication failure
Defrosting
PP1
PP2
PP3
PP4
PP5
PP6
PP7
PP7
PP8
PP9
PP10
PP 11
PP 12
EE1
EE2
EE3
EE4
EE8
Defrost
Long-distance
controller
Remark