Controller Error Code
Model: MWH 030/040/050/060/070 B/BR
Error code
E1
E0
E2
E3
E4
Indoor coil 1 sensor missing or damaged
Indoor coil 2 sensor missing or damaged
E6
Return air sensor missing or damaged
E7
Water outlet 1 sensor missing or damaged
Eb
Water outlet 2 sensor missing or damaged
Ec
Suction 1 sensor missing or damaged
Ed
Suction 2 sensor missing or damaged
EE
Compressor 1 gas leak
Ef
Compressor 2 gas leak
F0
Compressor 1 indoor coil frosting
F1
Network communication port error
F2
Compressor 2 indoor coil frosting
F3
Water flow failure input contact
F4
Compressor 2 low pressure failure input contact
F5
Compressor 2 high pressure failure input contact
F6
Water flow failure input contact
F7
Compressor 2 overload failure input contact
F8
Compressor 1 overload failure input contact
F9
Fan overload failure input contact
FA
Water pump overload failure input contact
Fb
Compressor 1 high pressure failure input contact
Fd
Compressor 1 low pressure failure input contact
FE
Electric heater overload failure input contact
Entering water temperature 1 failure
Entering water temperature 2 failure
Suction temperature too low
Description
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