Service & Parts Manual (2019, 2020, 2021, 2022)

244 PB
TROUBLESHOOTING
Outdoor Fault Codes
Fault code Fault description Possible reasons for
abnormality
How to deal with Remarks
FE (254) Communication
between main control
board & Wired
controller Fault (display
on wired controller)
"1. The wired controller
and the indoor control
board are connected
loosely.
2. The sequence of the
wiring between the
wired controller to the
indoor control board is
wrong;
3. The wiring between
the wired controller to
the indoor control board
fails;
4. The wired controller
is fails;
5. The indoor control
board is abnormal."
"1.Reconnect the wiring
between the wired
controller to the indoor
control board;
2. Replace the wiring
between the wired
controller to the indoor
control board;
3. Replace the wiring
between the wired
controller to the indoor
control board;
4. Replace the wired
controller;
5. Replace the indoor
control Board."
THIS CODE IS ONLY
APPLICABLE TO
MODELS PRODUCED
IN THE YEAR 2021
OR LATER THIS CODE
CAN APPEAR IF THE
CIRCUIT BOARDS ARE
REPLACED ON OLDER
MODELS.
ER "Communication
between main control
board
& display board Fault
(displays on display
board)"
"1.The wiring between
the display board to the
indoor control board is
connected loosely;
2.The sequence of the
wiring between the
display board to the
indoor control board is
wrong;
3.The wiring between
the display board to the
indoor control board
fails;
4.The display board
fails;
5.The indoor control
board fails."
"1. Reconnect the wiring
between the display
board to the indoor
control board;
2. Replace the wiring
between the display
board to the indoor
control board;
3. Replace the wiring
between the display
board to the indoor
control board;
4. Replace the display
board;
5. Replace the indoor
control board."
THIS CODE IS ONLY
APPLICABLE TO
MODELS PRODUCED
IN THE YEAR 2021 OR
LATER .THIS CODE
CAN APPEAR IF THE
CIRCUIT BOARDS ARE
REPLACED ON OLDER
MODELS.