Installation manual
38
EKHBH/X008BA
Indoor unit for air to water heat pump system
4PW54185-1B
LC
Electric component failure
Contact your local dealer.
P1
PCB failure
Contact your local dealer.
P4
Electric component failure
Contact your local dealer.
PJ
Failure of capacity setting
Contact your local dealer.
U0
Refrigerant failure (due to
refrigerant leak)
Contact your local dealer.
U2
Main circuit voltage failure
Contact your local dealer.
U4
Communication failure
Contact your local dealer.
U5
Communication failure
Contact your local dealer.
U7
Communication failure
Contact your local dealer.
UA
Communication failure
Contact your local dealer.
Error
code
Failure cause
Corrective action