SiAF332111E Troubleshooting by Error Code
Part 6 Service Diagnosis 195
J7 - 06
Defective subcooling heat exchanger liquid pipe
thermistor (R5T: 6/8/10/12 HP)
Refer to the J7 flowchart and make a diagnosis
of the thermistor based
on the Error code shown to the left.
J8 - 01
Defective heat exchanger liquid pipe thermistor
(R4T: 6/8/10/12 HP)
Refer to the J8 flowchart and make a diagnosis
of the thermistor based
on the Error code shown to the left.
J9 - 01
Defective subcooling heat exchanger gas pipe
thermistor (R6T)
Refer to the J9 flowchart and make a diagnosis
of the thermistor based
on the Error code shown to the left.
J9 - 08
Error detection of subcooling heat exchanger gas pipe
thermistor (R6T)
JA - 01 Defective high pressure sensor
Refer to the JA flowchart and make a diagnosis
of the sensor based
on the Error code shown to the left.
JA - 06 Defective high pressure sensor: Open
JA - 07 Defective high pressure sensor: Short
JC - 01 Defective low pressure sensor
Refer to the JC flowchart and make a diagnosis
of the sensor based
on the Error code shown to the left.
JC - 06 Defective low pressure sensor: Open
JC - 07 Defective low pressure sensor: Short
L1 - 01
IPM error: Compressor M1C
Instantaneous overcurrent
The inverter PCB may be defective or a PCB other than
the specified is mounted.
Refer to the L1 flowchart and make a diagnosis based
on the Error code shown to the left.
L1 - 02 Defective current sensor: Compressor M1C
L1 - 03 Current offset: Compressor M1C
L1 - 04 IGBT error: Compressor M1C
L1 - 05 Jumper settings error: Compressor M1C
L1 - 36 EEPROM abnormality: Compressor M1C
L1 - 47 Power supply voltage abnormality: Compressor M1C
L2 - 01 Momentary power failure
Refer to the L2 flowchart and make a diagnosis based on
the Error code shown to the left.
L2 - 04 Power ON
L4 - 01 Radiation fin temperature rise: Inverter for M1C
Refer to the L4 flowchart and make a diagnosis based
on the Error code shown to the left.
L4 - 06 Radiation fin temperature rise: Inverter fan M1F
L5 - 03
Current offset error Refer to the L5 flowchart and make a diagnosis based
on the Error code shown to the left.
L8 - 03
Compressor M1C overcurrent error Refer to the L8 flowchart and make a diagnosis
of the compressor based
on the Error code shown to the left.
L9 - 01 Compressor M1C startup error Refer to the
L9 flowchart and make a diagnosis
of the compressor based
on the Error code shown to the left.
L9 - 13
Compressor M1C output open phase
LC - 01
Transmission error between inverter PCB and outdoor
unit main PCB
Refer to the LC flowchart and make a diagnosis based
on the Error code shown to the left.
LC - 14 PCB inverter error (Compressor M1C)
LC - 19 PCB inverter error (Fan M1F)
LC - 24 PCB inverter error (Fan M2F)
P1 - 01
Inverter circuit capacitor high voltage
Refer to the P1 flowchart and make a diagnosis based
on the Error code shown to the left.
Unbalanced power supply voltage
P3 - 01 Defective reactor thermistor 1
Refer to the P3 flowchart and make a diagnosis based on
the Error code shown to the left.
P3 - 04 Defective reactor thermistor 2
P4 - 01 Defective radiation fin thermistor
Refer to the P4 flowchart and make a diagnosis based
on the Error code shown to the left.
P4 - 02 Defective fan M1F fin sensor
PJ - 04
Incorrect type of compressor
Defective combination of inverter PCB
Refer to the PJ flowchart and make a diagnosis based
on the Error code shown to the left.
PJ - 09 Incorrect type of fan
U0 - 03 Gas shortage alarm
Refer to the U0 flowchart and make a diagnosis based
on the Error code shown to the left.
U0 - 05 Refrigerant shortage warning (cooling)
U0 - 08 Refrigerant shortage
U1 - 01 Reverse/open phase for power supply
Refer to the U1 flowchart and make a diagnosis based on
the Error code shown to the left.
U1 - 04
Reverse phase for power supply with power supply
turned ON
U1 - 16 Open phase for power supply
U1 - 19 Hz error for power supply
Error code
Troubleshooting
Description of error Diagnosis
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