Daikin VRV EMERION RXYQ-AATJA, Service Manual

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SiUS342303E Troubleshooting by Error Code
Part 6 Service Diagnosis 242
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 (Sub)
L8 - 11 Compressor M2C overcurrent (Master)
L8 - 12 Compressor M2C overcurrent (Sub)
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 (Sub)
L9 - 10 Compressor M2C startup error (Master)
L9 - 11 Compressor M2C startup error (Sub)
L9 - 13 Inverter output open phase M1C (Master)
L9 - 14 Inverter output open phase M1C (Sub)
L9 - 16 Inverter output open phase M2C (Master)
L9 - 17 Inverter output open phase M2C (Sub)
LC - 14
Transmission error (Between outdoor units, inverter PCB)
(Master): M1C
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)
(Sub): M1C
LC - 19
Transmission error (Between outdoor units, fan PCB)
(Master): M1F
LC - 20
Transmission error (Between outdoor units, fan PCB)
(Sub): M1F
LC - 24
Transmission error (Between outdoor units, fan PCB)
(Master): M2F
LC - 25
Transmission error (Between outdoor units, fan PCB)
(Sub): M2F
LC - 30
Transmission error (Between outdoor units, inverter PCB)
(Master): M2C
LC - 31
Transmission error (Between outdoor units, inverter PCB)
(Sub): M2C
LC - 33
Transmission error (Between outdoor units, sub PCB)
(Master)
LC - 34
Transmission error (Between outdoor units, sub PCB)
(Sub)
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 (Sub)
P1 - 07 Inverter 2 power supply unbalanced voltage (Master)
P1 - 08 Inverter 2 power supply unbalanced voltage (Sub)
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 M1C (Master)
P4 - 10 Defective inverter diode bridge fin sensor M1C (Sub)
P4 - 12 Defective inverter diode bridge fin sensor M2C (Master)
P4 - 13 Defective inverter diode bridge fin sensor M2C (Sub)
P4 - 15 Defective fan M1F fin sensor (Sub)
P4 - 16 Defective fan M2F fin sensor (Sub)
PJ - 04 Incorrect type of inverter PCB M1C (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 M1C (Sub)
PJ - 09 Incorrect type of fan PCB (Master): M1F
PJ - 10 Incorrect type of fan PCB (Master): M2F
PJ - 12 Incorrect type of inverter PCB M2C (Master)
PJ - 13 Incorrect type of inverter PCB M2C (Sub)
PJ - 15 Incorrect type of fan PCB (Sub): M1F
PJ - 17 Incorrect type of fan PCB (Sub): M2F
U0 - 31 Refrigerant shortage warning (cooling) Refer to the U0 flowchart and make a diagnosis of the
relevant unit based on the Error code shown to the left.
U0 - 32 Refrigerant shortage warning (heating)
Error code
Troubleshooting
Error Description Diagnosis