Daikin VRV RXYQ72-384XAYCA, Service Manual

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SiUS342004EB Troubleshooting by Error Code
Part 6 Service Diagnosis 226
L8 - 03 Compressor M1C overcurrent (Master) Refer to the L8 flowchart and make a diagnosis of the
relevant unit based on the Error code shown to the left.
L8 - 06 Compressor M1C overcurrent (Slave 1)
L8 - 07 Compressor M1C overcurrent (Slave 2)
L9 - 01 Compressor M1C startup error (Master) Refer to the L9 flowchart and make a diagnosis of the
relevant unit based on the Error code shown to the left.
L9 - 05 Compressor M1C startup error (Slave 1)
L9 - 06 Compressor M1C startup error (Slave 2)
L9 - 13 Inverter output open phase (Master)
L9 - 14 Inverter output open phase (Slave 1)
L9 - 15 Inverter output open phase (Slave 2)
LC - 14
Transmission error (Between outdoor units, inverter PCB)
(Master)
Refer to the LC flowchart and make a diagnosis of the
relevant unit based on the Error code shown to the left.
LC - 15
Transmission error (Between outdoor units, inverter PCB)
(Slave 1)
LC - 16
Transmission error (Between outdoor units, inverter PCB)
(Slave 2)
LC - 19
Transmission error (Between outdoor units, fan PCB)
(Master): M1F
LC - 20
Transmission error (Between outdoor units, fan PCB)
(Slave 1): M1F
LC - 21
Transmission error (Between outdoor units, fan PCB)
(Slave 2): M1F
LC - 24
Transmission error (Between outdoor units, fan PCB)
(Master): M2F
LC - 25
Transmission error (Between outdoor units, fan PCB)
(Slave 1): M2F
LC - 26
Transmission error (Between outdoor units, fan PCB)
(Slave 2): M2F
LC - 33
Transmission error (Between outdoor units, sub PCB)
(Master)
LC - 34
Transmission error (Between outdoor units, sub PCB)
(Slave 1)
LC - 35
Transmission error (Between outdoor units, sub PCB)
(Slave 2)
P1 - 01 Inverter 1 power supply unbalanced voltage (Master) Refer to the P1 flowchart and make a diagnosis of the
relevant unit based on the Error code shown to the left.
P1 - 02 Inverter 1 power supply unbalanced voltage (Slave 1)
P1 - 03 Inverter 1 power supply unbalanced voltage (Slave 2)
P4 - 02 Defective fan M1F fin sensor (Master) Refer to the P4 flowchart and make a diagnosis of the
relevant sensor based on the Error code shown to the left.
P4 - 03 Defective fan M2F fin sensor (Master)
P4 - 09 Defective inverter diode bridge fin sensor (Master)
P4 - 10 Defective inverter diode bridge fin sensor (Slave 1)
P4 - 11 Defective inverter diode bridge fin sensor (Slave 2)
P4 - 15 Defective fan M1F fin sensor (Slave 1)
P4 - 16 Defective fan M2F fin sensor (Slave 1)
P4 - 17 Defective fan M1F fin sensor (Slave 2)
P4 - 18 Defective fan M2F fin sensor (Slave 2)
PJ - 04 Incorrect type of inverter PCB (Master) Refer to the PJ flowchart and make a diagnosis of the
relevant unit based on the Error code shown to the left.
PJ - 05 Incorrect type of inverter PCB (Slave 1)
PJ - 06 Incorrect type of inverter PCB (Slave 2)
PJ - 09 Incorrect type of fan PCB (Master): M1F
PJ - 10 Incorrect type of fan PCB (Master): M2F
PJ - 15 Incorrect type of fan PCB (Slave 1): M1F
PJ - 16 Incorrect type of fan PCB (Slave 2): M1F
PJ - 17 Incorrect type of fan PCB (Slave 1): M2F
PJ - 18 Incorrect type of fan PCB (Slave 2): M2F
Error code
Troubleshooting
Error Description Diagnosis