Troubleshooting Guide; Error Code Table - Panasonic S-22KA1E5S Service Manual

18. Troubleshooting Guide

18.1 Error Code Table

Outdoor Unit
Error Code
F27-01 Indoor / outdoor unit communication line
disconnection error
F30-01 Total quantity / capacity of connected indoor
unit error
F30-02 Noise filter circuit (capacitor) error.
F31-01 Low pressure protection
F31-02 High pressure protection
F31-06 4-way valve error
F31-08 Indoor unit freezing error
F32-04 IPM temperature protection
F32-05 Total current protection
F32-06 Compressor discharge temperature protection
F32-08 PFC protection
F32-09 DC peak current error
F32-10 Compressor rotation error
F32-32 Communication error between outdoor unit
main PCB and micro-controller.
F35-02 Outdoor DC fan motor error
F40-01 Outdoor temperature sensor error
F40-11 Compressor suction temperature sensor error
F40-13 SC Liquid temperature sensor error
F40-21 Outdoor heat exchanger temperature sensor
error
F40-31 DEF temperature sensor error
F40-33 Bypass temperature sensor error
F40-51 Compressor discharge temperature sensor
error
F41-01 High pressure sensor error
F41-02 High pressure switch disconnection error
F41-11 Low pressure sensor error
F42-11 Outdoor CT disconnection error
F44-01 IPM temperature sensor error
F45-01 Outdoor address double registration error
Abnormality Control
Indoor / outdoor unit communication line, lead
wire terminal.
Total quantity / capacity of connected indoor
unit is insufficient or over.
Connection of Outdoor unit Inverter PCB and
Capacitor PCB, Outdoor unit Inverter PCB.
Refrigerant cycle, 2 or 3-way valve close,
insufficient refrigerant.
Refrigerant cycle, 2 or 3-way valve close.
4-way valve, outdoor unit main PCB connector
CN-HOT.
Abnormal indoor unit expansion valve.
Outdoor unit Inverter PCB.
Compressor locked, refrigerant cycle.
Insufficient refrigerant.
Outdoor unit inverter PCB.
Outdoor unit Inverter PCB, compressor locked,
compressor lead wire connection.
Outdoor unit Inverter PCB, compressor locked,
compressor lead wire connection.
Connector CN-COM between outdoor main
PCB and Inverter PCB, Outdoor unit main
PCB, Inverter PCB.
Outdoor unit Inverter PCB, Outdoor DC fan
motor, outdoor unit Inverter PCB connectors
CN-FM1, CN-FM2.
Outdoor temperature sensor lead wire, outdoor
unit main PCB, connector CN-TH3.
Compressor suction temperature lead wire,
outdoor unit main PCB, connector CN-TH4, 3-
way valve close.
SC Liquid temperature sensor lead wire,
outdoor unit main PCB connector CN-TH2
Outdoor heat exchanger temperature sensor
lead wire, outdoor unit main PCB, connector
CN-TH1.
DEF temperature sensor lead wire, outdoor
unit main PCB, connector CN-TH1.
Bypass temperature sensor lead wire, outdoor
unit main PCB connector CN-TH2
Compressor discharge temperature sensor
lead wire, outdoor unit main PCB connector
CN-TH4, compressor discharge temperature
sensor.
High pressure sensor lead wire, outdoor unit
main PCB connector CN-HPS.
High pressure switch lead wire, outdoor unit
main PCB, connector CN-PSW1.
Low pressure sensor lead wire, outdoor unit
main PCB connector CN-LPS.
Outdoor unit main PCB.
Outdoor unit main PCB.
Outdoor unit address.
200
Areas to verify