Panasonic WH-ADF0309J3E5CM Service Manual page 237

ON: Blinking: OFF:
Wireless remote
controller
receiver display
Abnormal
display
H01
H02 Timer lamp
blinking
H03
H31
L04
L10
Operating
and standby
L13
lamps blinking
simultaneously
L18
P03
Operating
and standby
P04
lamp blinking
alternately
P05
P07
Timer and
standby
P13
lamp blinking
alternately
P14
Alarm contents
Primary (input) overcurrent detected
PAM trouble
Primary current CT sensor failure
HIC trouble
DC voltage not detected
Duplication of outdoor unit address
Outdoor unit capacity is not set or setting error
Indoor unit type setting error
Type of indoor/outdoor units is different
4-way valve locked trouble / operation failure
Compressor discharge temperature trouble
Condensing pressure trouble
Open phase detected
AC power supply trouble
HIC (IPM) temperature trouble
Valve error
Refrigerant circuit error
Wrong installation for refrigerant piping and
wiring
O sensor detected
2
237
Error location
 Check the refrigerant cycle (abnormal
overload operation)
 Check the outdoor unit control PCB
 Check the power supply
 Check the outdoor unit control PCB
 Compressor locked
 Check the power supply
 Check the outdoor unit control PCB
 Check the outdoor unit control PCB
 Check the HIC
 Compressor locked
 Valve blockage
 Check the inter-unit control wiring
 Replace the outdoor unit EEPROM
 Capacity value re-setting
 Replace the indoor unit EEPROM
 Check the outdoor unit control PCB
 Check the type of IU and OU, and re-set
address
 Check the 4-way valve
 Check the 4-way valve wiring
 Check the outdoor unit control PCB
 Check the refrigerant cycle (gas leak)
 Trouble with the electronic expansion valve
 Check the discharge temperature sensor
(TD)
 Check the refrigerant cycle
 Valve blockage
 Heat exchanger obstruction
 Check the power supply
 Check the reactor wiring
 Check the outdoor unit control PCB
 Check the compressor wiring
 Check the outdoor unit control PCB
 Check the HIC
 Compressor locked
 Valve blockage
 Valve blockage
 Check the refrigerant circuit
 Check the refrigerant piping and wiring
installation
 Input from the O
sensor
2