CD 30 ÷ 520
55
failure then the corresponding code will be displayed until the power get right. Notice:
phases sequence failure or phases absent failure are just Queryed at the beginning of
electrifying. During the running, they will not be detected.
27——Transformer output
3. Failure & protection codes
Failure & protection codes
E0 Water flow detecting failure (third)
E1 Phases sequence failure
E2 Communication failure
E3 Total outlet water Temperature sensor failure
E4 Plate heat exchanger outlet water Temperature sensor failure
E5 Condenser A tube Temperature sensor failure
E6 Condenser B tube Temperature sensor failure
E7 Outdoor Temperature sensor failure
E8 System A digital compressor discharge gas Temperature
E9 Water level detecting failure (first two failures)
EA Auxiliary units decreased detected by main unit
Eb Plate heat exchanger low temperature antifreezing sensor 2 failure
EC Communication failure between main unit and auxiliary unit
ED Communication failure between linear controller and modules
EE Communication failure between linear controller and computer
EF Plate heat exchanger low temperature antifreezing sensor 2 failure
P0 System A high-pressure protection or discharge gas Temperature protection
P1 System A low-pressure protection
P2 System B high-pressure protection or discharge gas Temperature protection
P3 System B low-pressure protection
P4 System A current protection
P5 System B current protection
P6 System A Condenser high-Temperature protection
P7 System B Condenser high-Temperature protection
P8 System A digital compressor discharge gas temperature protection
Pb System anti-freeze protection
Pc Digital compressor discharge Temperature protection, when it is above 125ć
PE Plate heat exchanger low temperature protection
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