Daikin Aurora Series Service Manual page 171

SiUS341802E
Error code
F3 - 01 Discharge pipe high temperature error (Master)
F3 - 03 Discharge pipe high temperature error (Slave 1)
F3 - 05 Discharge pipe high temperature error (Slave 2)
F3 - 20 Compressor overheat error (Master)
F3 - 21 Compressor overheat error (Slave 1)
F3 - 22 Compressor overheat error (Slave 2)
F4 - 01 Wet alarm
Wet alarm for inverter compressor M1C
F4 - 02
(Master)
Wet alarm for inverter compressor M1C
F4 - 04
(Slave 1)
Wet alarm for inverter compressor M1C
F4 - 06
(Slave 2)
F4 - 08 Wet error for inverter compressor M1C (Master)
F4 - 10 Wet error for inverter compressor M1C (Slave 1)
F4 - 12 Wet error for inverter compressor M1C (Slave 2)
F4 - 14 Indoor unit failure alarm
F6 - 02 Refrigerant overcharged
Harness abnormality (Main & inverter PCB) -
H3 - 02
Master unit
Harness abnormality (Main & inverter PCB) -
H3 - 04
Slave unit 1
Harness abnormality (Main & inverter PCB) -
H3 - 06
Slave unit 2
H7 - 01 Motor position signal abnormality (Master): M1F
H7 - 02 Motor position signal abnormality (Master): M2F
H7 - 05 Motor position signal abnormality (Slave 1): M1F
H7 - 06 Motor position signal abnormality (Slave 1): M2F
H7 - 21 Defective fan PCB (Master): M1F
H7 - 22 Defective fan PCB (Master): M2F
H7 - 23 Defective fan PCB (Slave 1): M1F
H7 - 24 Defective fan PCB (Slave 1): M2F
H7 - 25 Defective fan PCB (Slave 2): M1F
H7 - 26 Defective fan PCB (Slave 2): M2F
H9 - 01 Defective outdoor air thermistor (Master)
H9 - 02 Defective outdoor air thermistor (Slave 1)
H9 - 03 Defective outdoor air thermistor (Slave 2)
Service Diagnosis
Description of error
Troubleshooting
Description of diagnosis
Refer to the F3 flowchart of each manual and make a diagnosis
of the relevant unit based on the Error code shown to the left.
Refer to the F4 flowchart of each manual and make a diagnosis
of the relevant unit based on the Error code shown to the left.
Refrigerant overcharge was detected during test operation.
Refer to the H3 flowchart of each manual and make a diagnosis
of the relevant unit based on the Error code shown to the left.
Refer to the H7 flowchart of each manual and make a diagnosis
of the relevant unit based on the Error code shown to the left.
Refer to the H9 flowchart of each manual and make a diagnosis
of the relevant unit based on the Error code shown to the left.
Symptom-based Troubleshooting
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