Daikin VRV RXYQ72-384XAYCA Service Manual page 229

SiUS342004EB
Error code
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)
Defective discharge pipe thermistor (R21T):
J3 - 16
Open (Master)
Defective discharge pipe thermistor (R21T):
J3 - 17
Short (Master)
Defective discharge pipe thermistor (R21T):
J3 - 22
Open (Slave 1)
Defective discharge pipe thermistor (R21T):
J3 - 23
Short (Slave 1)
Defective discharge pipe thermistor (R21T):
J3 - 28
Open (Slave 2)
Defective discharge pipe thermistor (R21T):
J3 - 29
Short (Slave 2)
Defective compressor body thermistor (R14T):
J3 - 47
Open (Master)
Defective compressor body thermistor (R14T):
J3 - 48
Short (Master)
Defective compressor body thermistor (R14T):
J3 - 49
Open (Slave 1)
Defective compressor body thermistor (R14T):
J3 - 50
Short (Slave 1)
Defective compressor body thermistor (R14T):
J3 - 51
Open (Slave 2)
Defective compressor body thermistor (R14T):
J3 - 52
Short (Slave 2)
J3 - 56
Discharge pipe warning (Master)
J3 - 57 Discharge pipe warning (Slave 1)
J3 - 58
Discharge pipe warning (Slave 2)
Part 6 Service Diagnosis
Error Description
Troubleshooting
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.
Refer to the J3 flowchart and make a diagnosis of the
relevant thermistor of the relevant unit based on the Error
code shown to the left.
Troubleshooting by Error Code
Diagnosis
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