Friedrich FPWC1 Service Manual

87 PB
TROUBLESHOOTING
Outdoor Fault Codes
Fault code Fault description Possible reasons for
abnormality
How to deal with Remarks
81 Indoor ambient
Temperature Sensor Fault
"1. The cable of the room
temperature sensor is connect
loosely;
2. The room temperature
sensor fails;
3. The sampling circuit is
abnormal."
"1. Reconnect the cable
of the room temperature
sensor;
2. Replace the room
temperature sensor;
3. 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.
83 Evaporator Middle
Temperature Sensor Fault
"1.The cable of the coil
temperature sensor of the
evaporator fails;
2.The coil temperature sensor
of the evaporator fails;
3.The sampling circuit is
abnormal."
"1. Reconnect the cable of
the coil temperature sensor
of the evaporator;
2. Replace the coil
temperature sensor of the
evaporator;
3. 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.
91 "The unit turn off due to
the IPM
board over heating fault"
"1. The outdoor ambient is too
high;
2. The speed of the out fan
motor is too low if the fan
motor is AC fan motor;
3.The outdoor unit has been
installed without standard;
4.The supply power is too low."
"1. Normally protection;
2. Check the fan capacitor,
and replace the fan
capacitor if it is failure;
3. Reinstalled the outdoor
unit refer to the installation
user manual;
4.Normally protection."
THIS CODE IS ONLY
APPLICABLE TO
MODELS PRODUCED UP
TO AND INCLUDING THE
YEAR 2020.
96 Lacking of refrigerant The refrigerant of the unit is
not enough.
Discharge the refrigerant
and charge the refrigerant
referring to the rating label.
If continue to see this
code after confirming
charge call Technical
Assistance Center for
additional help.
97 4‑way valve commutation
failure fault
"1.The connecting wiring of the
4‑ way valve coil is loose;
2.The 4‑way valve coil fails;
3.The 4‑way valve fails;
4.The driver board of the
4‑way valve fails."
"1. Reconnect the wiring of
the 4‑way valve;
2. Replace the 4‑way valve
coil;
3. Replace the 4‑way valve;
4.Replace the driver board
of the
4‑way valve."
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.

Friedrich FPWC1 Specifications

General

Brand	Friedrich
Model	FPWC1
Category	Air Conditioner
Language	English