Daikin VRV Aurora RXLQ-TATJU Series Service Manual page 228

Troubleshooting by Error Code
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
F4 - 02
Wet alarm for compressor M1C (Master)
F4 - 04 Wet alarm for compressor M1C (Slave 1)
F4 - 06 Wet alarm for compressor M1C (Slave 2)
F4 - 08 Wet error for compressor M1C (Master)
F4 - 10 Wet error for compressor M1C (Slave 1)
F4 - 12 Wet error for compressor M1C (Slave 2)
F4 - 14 Indoor unit failure alarm
F6 - 02
Refrigerant overcharged
H3 - 02 Harness abnormality (Main & inverter PCB) - Master unit
H3 - 04
Harness abnormality (Main & inverter PCB) - Slave unit 1
H3 - 06 Harness abnormality (Main & inverter PCB) - 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 - 09 Motor position signal abnormality (Slave 2): M1F
H7 - 10
Motor position signal abnormality (Slave 2): 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)
221
Error Description
Troubleshooting
Refer to the F3 flowchart and make a diagnosis of the
relevant unit based on the Error code shown to the left.
Refer to the F4 flowchart 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 and make a diagnosis of the
relevant unit based on the Error code shown to the left.
Refer to the H7 flowchart and make a diagnosis of the
relevant unit based on the Error code shown to the left.
Refer to the H9 flowchart and make a diagnosis of the
relevant unit based on the Error code shown to the left.
SiUS341802EC
Diagnosis
Part 6 Service Diagnosis