Panasonic WH-ADF0309J3E5CM Service Manual page 246

Diagnosis
display
Abnormality
(Indoor
or
model:
protection
CS-XX /
control
S-XX /
WH-XX)
F93 / P29 / Compressor
F14 abnormal
revolution
F94 / P04 / Compressor
F12 discharge
pressure
overshoot
protection
F95 / P04 / Outdoor cooling
F95 high pressure
protection
F96 / P07 / Power transistor
F22 module
overheating
protection
F97 / P03 / Compressor
F20 overheating
protection
F98 / H01 / Total running
F16 current protection
F99 / P16 / Outdoor direct
F23 current (DC) peak
detection
LED 1 illuminate is indicated that outdoor unit is operating normally. If the LED 1 is switched off or flashing, check the power supply and
self-diagnosis indication.
●
------ Illuminate
○
------ Flashing
Blank ------ OFF
LED LED LED LED LED
6 5 4 3
○
○ ○
○ ○
○ ○
○ ○
○ ○
○ ○
LED Abnormality Protection
2 1 judgement operation
○ ○ 4 times
happen
within 20
minutes
4 times
happen
within 30
minutes
○ 4 times
happen
within 20
minutes
○ 4 times
happen
within 30
minutes
○ ○ 3 times
happen
within 30
minutes
3 times
happen
within 20
minutes
○ Continuous
happen for
7 times
246
Problem
- Compressor
abnormal
revolution
- Compressor
discharge
pressure
overshoot
- Cooling high
pressure
protection
- Power transistor
module overheat
- Compressor
overheat
- Total current
protection
- Power transistor
module current
protection
Check location
 Power transistor
module faulty or
compressor lock
 Check
refrigeration
system
 Check
refrigeration
system
 Outdoor air
circuit
 PCB faulty
 Outdoor air
circuit (fan
motor)
 Insufficient
refrigerant
 Check
refrigeration
system
 Power source or
compressor lock
 Power transistor
module faulty or
compressor lock