75
[F15]
[Miswiring of heat exchanger sensor (TE, TS)]
[F31]
[EEPROM trouble]
[H01]
[Compressor break down]
Check
code
Outdoor LED
indication
Check and troubleshooting
(Item without special mention indicates part of outdoor unit.)
Is mounting status of
TE and TS sensors correct?
NO
Correct sensor mounting.
NO
Correct connector.
Replace TS sensor
YES
YES
NO
Correct connector.
Replace TE sensor
Replace outdoor P.C. board.
YES
Is connection of
GP56: CN603, GP80: CN600 correct?
Is resistance value of TS sensor correct?
Is connection of
GP56: CN600, GP80: CN601 correct?
Is resistance value of TE sensor correct?
Replace outdoor P.C. board.
Is power supply voltage normal?
AC198 to 264 V
NO
Correct power supply line.
NO
Check wire connection
and correct it.
YES
Is wire connection correct?
Compressor lead wires
(P.C. board side, Compressor side),
Reactor lead wires,
Power supply lead wires
YES
NO
Remove and improve
the cause of overload.
Replace outdoor P.C. board.
* When replacing outdoor P.C. board, replace
the fuse.
Does an abnormal overload happen?
YES