Troubleshooting by Error Code SiAF332111E
194 Part 6 Service Diagnosis
5.2.2 Outdoor Unit, System
Error code
Troubleshooting
Description of error Diagnosis
E1 - 01 Outdoor unit PCB error
Refer to the E1 flowchart and make a diagnosis based
on the Error code shown to the left.
E1 - 02 Defective outdoor unit PCB
E2 - 01 Earth leakage detection error
Refer to the E2 flowchart and make a diagnosis based
on the Error code shown to the left.
E2 - 06 Missing of earth leakage detection core
E3 - 01 High pressure switch activated
Refer to the E3 flowchart and make a diagnosis based
on the Error code shown to the left.
E3 - 02 High pressure switch activated
E3 - 07 High pressure switch activated (Batch)
E3 - 13 Liquid stop valve check error
E3 - 18
Too much refrigerant charged
Stop valve closed
E3 - 20 High pressure switch activated
E4 - 01
Low pressure error Refer to the E4 flowchart and make a diagnosis based
on the Error code shown to the left.
E5 - 01
Compressor M1C lock Refer to the E5 flowchart and make a diagnosis based
on the Error code shown to the left.
E7 - 01 Fan motor M1F lock
Refer to the E7 flowchart and make a diagnosis
of the fan motor based
on the Error code shown to the left.
E7 - 02 Fan motor M2F lock
E7 - 05 Fan motor M1F instantaneous overcurrent
E7 - 06 Fan motor M2F instantaneous overcurrent
E7 - 09 Fan motor M1F IPM error
E7 - 10 Fan motor M2F IPM error
E9 - 01 Electronic expansion valve coil Y1E error
Refer to the E9 flowchart and make a diagnosis
of the relevant electronic expansion valve based
on the Error code shown to the left.
E9 - 03 Electronic expansion valve coil Y2E error (6/8 HP)
E9 - 04 Electronic expansion valve coil Y2E error (10/12 HP)
E9 - 26 Electronic expansion valve coil Y4E error
E9 - 48 Electronic expansion valve overcurrent
E9 - 54 Defective circuit
F3 - 01 Discharge pipe high temperature error
Refer to the F3 flowchart and make a diagnosis based
on the Error code shown to the left.
F3 - 20 Compressor body temperature error
F3 - 23 Overload protector activated (Q1M)
F4 - 01 Wet alarm for compressor M1C
Refer to the F4 flowchart and make a diagnosis based
on the Error code shown to the left.
F4 - 08 Wet error for compressor M1C
F4 - 14 Indoor unit failure alarm
F6 - 02 Excess refrigerant charge error Excess refrigerant charge was detected during test run.
F6 - 03
Excess refrigerant charge warning Excess refrigerant charge was detected
during operation other than test run.
H3 - 02
Connection error between main PCB and inverter PCB Refer to the H3 flowchart and make a diagnosis based
on the Error code shown to the left.
H5 - 01
Defective overload protector for M1C (Q1M) Refer to the H5 flowchart and make a diagnosis based
on the Error code shown to the left.
H7 - 01 Fan motor M1F signal error
Refer to the H7 flowchart and make a diagnosis based
on the Error code shown to the left.
H7 - 02 Fan motor M2F signal error
H7 - 21 Defective fan PCB for M1F
H9 - 01
Defective outdoor air thermistor (R1T) Refer to the H9 flowchart and make a diagnosis based
on the Error code shown to the left.
J3 - 01 Defective discharge pipe thermistor (R2T)
Refer to the J3 flowchart and make a diagnosis
based on the Error code shown to the left.
J3 - 16 Defective discharge pipe thermistor (R21T): Open
J3 - 17 Defective discharge pipe thermistor (R21T): Short
J3 - 47 Defective compressor body thermistor (R8T): Open
J3 - 48 Defective compressor body thermistor (R8T): Short
J3 - 56 Discharge pipe warning
J5 - 01
Defective suction pipe thermistor (R3T/R5T: 4/5 HP,
R3T: 6/8 HP)
Defective accumulator thermistor (R3T: 10/12 HP)
Refer to the J5 flowchart and make a diagnosis
of the thermistor based
on the Error code shown to the left.
J6 - 01
Defective heat exchanger deicer thermistor
(R4T: 4/5 HP, R7T: 10/12 HP)
Refer to the J6 flowchart and make a diagnosis
of the thermistor based
on the Error code shown to the left.
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