240
18. Troubleshooting
Guide
Outdoor Unit
Error Code
Abnormality Control
Areas to verify
F27-01
Indoor / outdoor unit communication line
disconnection error
Indoor / outdoor unit communication line, lead
wire terminal.
F30-01
Total quantity / capacity of connected indoor
unit error
Total quantity / capacity of connected indoor
unit is insufficient or over.
F30-02
Noise filter circuit (capacitor) error.
Outdoor unit main PCB.
F31-01
Low pressure protection
Refrigerant cycle, 2 or 3-way valve close,
insufficient refrigerant.
F31-02
High pressure protection
Refrigerant cycle, 2 or 3-way valve close,
overcharged refrigerant.
F31-06
4-way valve error
4-way valve, outdoor unit noise filter PCB,
connector CN-HOT.
F31-08
Indoor unit freezing error
Abnormal indoor unit expansion valve.
F32-04
IPM temperature protection
Outdoor unit main PCB, power supply.
F32-05
Total current protection
Compressor locked, refrigerant cycle.
F32-06 Compressor
discharge
temperature protection
Insufficient refrigerant.
F32-08
PFC protection
Outdoor unit main PCB.
F32-09
DC peak current error
IPM abnormal, compressor locked,
compressor lead wire connection, outdoor unit
main PCB.
F32-10 Compressor
rotation
error
IPM abnormal, compressor locked,
compressor lead wire connection, outdoor unit
main PCB.
F35-02
Outdoor DC fan motor error
Outdoor DC fan motor, outdoor unit main PCB,
connector CN-FM1, CN-FM2.
F40-01
Outdoor temperature sensor error
Outdoor temperature sensor lead wire, outdoor
unit main PCB, connector CN-TH1.
F40-11
Compressor suction temperature sensor error
Compressor suction temperature lead wire,
outdoor unit main PCB, connector CN-TH2, 3-
way valve close.
F40-21
Outdoor heat exchanger temperature sensor
error
Outdoor heat exchanger temperature sensor
lead wire, outdoor unit main PCB, connector
CN-TH1.
F40-31
DEF temperature sensor error
DEF temperature sensor lead wire, outdoor
unit main PCB, connector CN-TH2.
F40-51
Compressor discharge temperature sensor
error
Compressor discharge temperature sensor
lead wire, outdoor unit main PCB, connector
CN-DIS.
F41-02
High pressure switch disconnection error
High pressure switch lead wire, outdoor unit
main PCB, connector CN-PSW1.
F41-12
Low pressure switch disconnection error
Low pressure switch lead wire, outdoor unit
main PCB, connector CN-PSW2.
F42-11
Outdoor CT disconnection error
Outdoor unit main PCB.
F44-01
IPM temperature sensor error
Outdoor unit main PCB.
F45-01
Outdoor address double registration error
Outdoor unit address.
Summary of Contents for S-32NA1E5
Page 4: ...4 23 6 Heating 430 24 Exploded View and Replacement Parts List451 24 1 Indoor Unit 451 ...
Page 12: ...12 ...
Page 40: ...40 4 1 2 S 56KA1E5 S 63KA1E5 S 71KA1E5 ...
Page 42: ...42 4 3 95 x 95 Cassette Type Indoor Unit 4 3 1 S 63UA1E5 S 71UA1E5 S 90UA1E5 ...
Page 44: ...44 4 5 Low Static Pressure Hide Away Type Indoor Unit 4 5 1 S 45MA1E5 S 56MA1E5 ...
Page 45: ...45 4 5 2 S 63MA1E5 S 71MA1E5 S 90MA1E5 ...
Page 51: ...51 7 Wiring Connection Diagram 7 1 Wall Mounted Type Indoor Unit KA1E5 Series ...
Page 52: ...52 7 2 60 x 60 Cassette Type Indoor Unit YA1E5 Series ...
Page 53: ...53 7 3 95 x 95 Cassette Type Indoor Unit UA1E5 Series ...
Page 54: ...54 7 4 Slim Hide Away Type Indoor Unit NA1E5 Series ...
Page 55: ...55 7 5 Low Static Pressure Hide Away Type Indoor Unit MA1E5 Series ...
Page 56: ...56 7 6 Outdoor Unit LA1E5 Series ...
Page 57: ...57 8 Electronic Circuit Diagram 8 1 Wall Mounted Type Indoor Unit KA1E5 Series ...
Page 58: ...58 ...
Page 59: ...59 8 2 60 x 60 Cassette Type Indoor Unit YA1E5 Series ...
Page 60: ...60 ...
Page 61: ...61 8 3 95 x 95 Cassette Type Indoor Unit UA1E5 Series ...
Page 62: ...62 ...
Page 63: ...63 8 4 Slim Hide Away Type Indoor Unit NA1E5 Series ...
Page 64: ...64 ...
Page 65: ...65 8 5 Low Static Pressure Hide Away Type Indoor Unit MA1E5 Series ...
Page 66: ...66 ...
Page 67: ...67 8 6 Outdoor Unit LA1E5 Series ...
Page 68: ...68 ...
Page 70: ...70 9 1 3 Receiver PCB CN DISP 9 1 4 Error Code Display PCB CN CODE ...
Page 74: ...74 9 6 Outdoor Unit LA1E5 Series 9 6 1 Main PCB ...
Page 76: ...76 9 6 3 Capacitor PCB DCN IN DCN OUT DCP IN DCP OUT ...
Page 195: ...195 ...
Page 201: ...201 ...