Mitsubishi Electric PUH-P8MYA Technical & Service Manual page 54

(2) How to handle problems with the test run (For PUH-P8MYA/P10MYA)
Error code list: details
Remote controller communication – reception error
Remote controller communication – transmission error
Remote controller communication – reception error
Remote controller communication – transmission error
Communication between indoor and outdoor units – reception error
Communication between indoor and outdoor units – transmission error
Communication between indoor and outdoor units – reception error
Communication between indoor and outdoor units – transmission error
Indoor/outdoor connection wiring error, indoor unit overload (5 units or
more)
Indoor/outdoor connection wiring error (interference, loose)
Excessive time in use
Serial communication error
Serial communication error
Reverse phase, out of phase verification
Faulty input circuit
Duplicated M-NET address setting
M-NET error in PH/W transmission
M-NET bus busy
M-NET communication error with P transmission
M-NET error – no ACK
M-NET error- no response
Undefined error code
Outlet temperature error
CN23 Short-circuit Connector Unplugged
Open/short in discharge temp thermistor
Open/short in liquid temp or condenser/evaporater temp thermistor
Compressor overcurrent interruption (51C operation)
High pressure error (63H1 operation)
Low pressure error (63L operation)
Power synchronous idle circuit error
Inlet sensor error
Piping sensor error
Drain sensor error
Drain overflow protector operation
Water leak error (PDH only)
Freeze prevention operation
Surge prevention operation
Piping temperature error
Error details Problem location
Remote Controller
Remote Controller
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Outdoor unit
Outdoor unit
Outdoor unit
Outdoor unit
Outdoor unit
Outdoor unit
M-NET board
Outdoor unit
Outdoor unit
M-NET board
M-NET board
M-NET board
M-NET board
M-NET board
M-NET board
–
Outdoor unit
Outdoor unit
Outdoor unit
Outdoor unit
Outdoor unit
Outdoor unit
Outdoor unit
Outdoor unit
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Indoor unit
Indoor unit
–52–
MELANS Remote control-
display ler display
6831,6834 E0
6832,6833 E3
6831,6834 E4
6832,6833 E5
6740,6843 E6
6841,6842 E7
6840,6843 E8
6841,6842 E9
6844 EA
6845 EB
6846 EC
0403 ED
0403 EE
4103 F1
4115 F8
6600 A0
6602 A2
6603 A3
6606 A6
6607 A7
6608 A8
undefined EF
1102 U2
1108 U2
5104 U3
5105 U4
4101 U6
1302 UE
1300 UL
4115 F8
5101 P1
5102 P2
2503 P4
2502 P5
2500 P5
1503 P6
1504 P6
1110 P8