Panasonic WH-ADF0309J3E5CM Service Manual page 245

Diagnosis
display
Abnormality
(Indoor
or
model:
protection
CS-XX /
control
S-XX /
WH-XX)
H36 / F23 / Outdoor gas pipe
H51 temperature
sensor
abnormality
H37 / F24 / Outdoor liquid
H53 pipe temperature
sensor
abnormality
H64 / P04 / Outdoor high
F27 pressure sensor
abnormality
H89 / F16 / Compressor
H64 discharge
temperature
sensor
abnormality
H97 / P22 / Outdoor fan motor
F15 mechanism lock
H98 / - / Indoor high
H98 pressure
protection
H99 / - / Indoor operating
H99 unit freeze
protection
H64 Outdoor high
pressure switch
abnormality
H89 High pressure
sensor abnormal
F11 / L18 / 4-way valve
F25 switching
abnormality
F17 / P14 / Indoor standby
F33 units freezing
abnormality
F90 / H02 / Power factor
F41 correction (PFC)
circuit protection
F91 / P15 / Refrigeration
F24 cycle abnormality
LED LED LED LED LED
6 5 4 3
○
○
○ ○
○ ○
○ ○
○ ○
○ ○
○ ○
○ ○
○ ○
○
○
○
LED Abnormality Protection
2 1 judgement operation
○ Continuous Heating
for 5s protection
operation
only
○ ○ Continuous Cooling
for 5s protection
operation
only
Continuous
for 1
minute
○ 4 times
happens
within 20
minutes
○ 2 times
happen
within 30
minutes
○ -
○ -
-
○ -
○ ○ 4 times
happen
within 30
minutes
3 times
happen
within 40
minutes
○ 4 times
happen
within 20
minutes
○ 4 times
happen
within 60
minutes
245
Problem
Outdoor gas pipe
temperature
sensor open or
short circuit
Outdoor liquid
pipe temperature
sensor open or
short circuit
- High pressure
sensor open
circuit during
compressor stop
- High pressure
sensor open or
short circuit
- Outdoor fan motor
lock or feedback
abnormal
- Indoor high
pressure
protection
(Heating)
- Indoor freeze
protection
(Cooling)
- High pressure
switch open circuit
during
compressor stop
- High pressure
sensor open or
short circuit
- 4-way valve
switching
abnormal
- Wrong wiring and
connecting pipe,
expansion valve
leakage.
- Power factor
correction circuit
abnormal
- Refrigeration
cycle abnormal
Check location
 Outdoor gas
pipe
temperature
sensor lead wire
and connector
 Outdoor liquid
pipe
temperature
sensor lead wire
and connector
 High pressure
sensor
 Lead wire and
connector
 High pressure
sensor
 Lead wire and
connector
 Outdoor fan
motor lead wire
and connector
 Fan motor lock
or block
 Check indoor
heat exchanger
 Air filter dirty
 Air circulation
short circuit
 Check indoor
heat exchanger
 Air filter dirty
 Air circulation
short circuit
 High pressure
switch lead wire,
connector
CN-PSW1
 High pressure
sensor lead
wire, connector
CN-HPS
 4-way valve
 Lead wire and
connector.
 Check
indoor/outdoor
connection wire
and pipe
 Indoor heat
exchanger
sensor lead wire
and connector
 Expansion valve
lead wire and
connector.
 Outdoor PCB
faulty
 Insufficient
refrigerant or
valve close