Daikin VRV RXYQ72-384XAYCA Service Manual page 232

Troubleshooting by Error Code
Error code
L1 - 01 IPM error: Compressor M1C (Master)
L1 - 02 Defective current sensor 1: Compressor M1C (Master)
L1 - 03 Defective current sensor 2: Compressor M1C (Master)
L1 - 04 IGBT error: Compressor M1C (Master)
L1 - 05 Jumper settings error (Master)
L1 - 07
IPM error: Compressor M1C (Slave 1)
L1 - 08 Defective current sensor 1: Compressor M1C (Slave 1)
L1 - 09
Defective current sensor 2: Compressor M1C (Slave 1)
L1 - 10 IGBT error: Compressor M1C (Slave 1)
L1 - 11 IPM error: Compressor M1C (Slave 2)
L1 - 12 Defective current sensor 1: Compressor M1C (Slave 2)
L1 - 13 Defective current sensor 2: Compressor M1C (Slave 2)
L1 - 14 IGBT error: Compressor M1C (Slave 2)
L1 - 15 Jumper settings error (Slave 1)
L1 - 16
Jumper settings error (Slave 2)
L1 - 21 DIP switch settings error (Master)
L1 - 26
DIP switch settings error (Slave 1)
Defective inverter PCB EEPROM: Compressor M1C
L1 - 36
(Master)
Defective inverter PCB EEPROM: Compressor M1C
L1 - 38
(Slave 1)
Defective inverter PCB EEPROM: Compressor M1C
L1 - 40
(Slave 2)
L1 - 46 DIP switch settings error (Slave 2)
L1 - 47
15 V power supply error: Compressor M1C (Master)
L1 - 49 15 V power supply error: Compressor M1C (Slave 1)
L1 - 51 15 V power supply error: Compressor M1C (Slave 2)
L2 - 01 Momentary power failure during test operation (Master)
L2 - 02 Momentary power failure during test operation (Slave 1)
L2 - 03 Momentary power failure during test operation (Slave 2)
L2 - 04 Switch ON the power supply (Master)
L2 - 05
Switch ON the power supply (Slave 1)
L2 - 06 Switch ON the power supply (Slave 2)
L4 - 01
Radiation fin temperature rise: Inverter PCB (Master)
L4 - 02 Radiation fin temperature rise: Inverter PCB (Slave 1)
L4 - 03 Radiation fin temperature rise: Inverter PCB (Slave 2)
L4 - 06 Radiation fin temperature rise: Fan M1F (Master)
L4 - 07 Radiation fin temperature rise: Fan M2F (Master)
L4 - 12 Inverter radiation fin temperature rise abnormality (Master)
Inverter radiation fin temperature rise abnormality
L4 - 13
(Slave 1)
Inverter radiation fin temperature rise abnormality
L4 - 14
(Slave 2)
L4 - 18 Radiation fin temperature rise: Fan M1F (Slave 1)
L4 - 19 Radiation fin temperature rise: Fan M2F (Slave 1)
L4 - 20 Radiation fin temperature rise: Fan M1F (Slave 2)
L4 - 21 Radiation fin temperature rise: Fan M2F (Slave 2)
L5 - 03 Compressor M1C momentary overcurrent (Master)
L5 - 05 Compressor M1C momentary overcurrent (Slave 1)
L5 - 07
Compressor M1C momentary overcurrent (Slave 2)
225
Error Description
Troubleshooting
Refer to the L1 flowchart and make a diagnosis of the
relevant unit based on the Error code shown to the left.
Refer to the L2 flowchart and make a diagnosis of the
relevant unit based on the Error code shown to the left.
Refer to the L4 flowchart and make a diagnosis of the
relevant unit based on the Error code shown to the left.
Refer to the L5 flowchart and make a diagnosis of the
relevant unit based on the Error code shown to the left.
SiUS342004EB
Diagnosis
Part 6 Service Diagnosis