Daikin RXQ12AHR Service Manual page 185

SiAF341904E
Error code
L1 - 42 IPM error: Compressor M2C (Slave 2)
L1 - 43 Defective current sensor: Compressor M2C (Slave 2)
L1 - 44 Current offset: Compressor M2C (Slave 2)
L1 - 45 IGBT error: Compressor M2C (Slave 2)
L1 - 46 Jumper settings error: Compressor M2C (Slave 2)
Power supply voltage abnormality: Compressor M1C
L1 - 47
(Master)
Power supply voltage abnormality: Compressor M2C
L1 - 48
(Master)
Power supply voltage abnormality: Compressor M1C
L1 - 49
(Slave 1)
Power supply voltage abnormality: Compressor M2C
L1 - 50
(Slave 1)
Power supply voltage abnormality: Compressor M1C
L1 - 51
(Slave 2)
Power supply voltage abnormality: Compressor M2C
L1 - 52
(Slave 2)
L2 - 01 Momentary power failure (Master)
L2 - 02 Momentary power failure (Slave 1)
L2 - 03 Momentary power failure (Slave 2)
L2 - 04 Power ON (Master)
L2 - 05 Power ON (Slave 1)
L2 - 06 Power ON (Slave 2)
Radiation fin temperature rise: Inverter PCB for M1C
L4 - 01
(Master)
Radiation fin temperature rise: Inverter PCB for M1C
L4 - 02
(Slave 1)
Radiation fin temperature rise: Inverter PCB for M1C
L4 - 03
(Slave 2)
L4 - 06 Radiation fin temperature rise: Fan M1F (Master)
L4 - 07 Radiation fin temperature rise: Fan M2F (Master)
Radiation fin temperature rise: Inverter PCB for M2C
L4 - 09
(Master)
Radiation fin temperature rise: Inverter PCB for M2C
L4 - 10
(Slave 1)
Radiation fin temperature rise: Inverter PCB for M2C
L4 - 11
(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 Current offset error (Master)
L5 - 05 Current offset error (Slave 1)
L5 - 07 Current offset error (Slave 2)
L5 - 14 Compressor M2C instantaneous overcurrent (Master)
L5 - 15 Compressor M2C instantaneous overcurrent (Slave 1)
L5 - 16 Compressor M2C instantaneous overcurrent (Slave 2)
L8 - 03 Compressor M1C overcurrent error (Master)
L8 - 06 Compressor M1C overcurrent error (Slave 1)
L8 - 07 Compressor M1C overcurrent error (Slave 2)
L8 - 11 Compressor M2C overcurrent error (Master)
L8 - 12 Compressor M2C overcurrent error (Slave 1)
L8 - 13 Compressor M2C overcurrent error (Slave 2)
Part 6 Service Diagnosis
Description of error
Troubleshooting with Remote Controller
Troubleshooting
The inverter PCB may be defective or a PCB other than
the specified is mounted.
Refer to the L1 flowchart and make a diagnosis based
on the Error code shown to the left.
Refer to the L2 flowchart and make a diagnosis based
on the Error code shown to the left.
Refer to the L4 flowchart and make a diagnosis based
on the Error code shown to the left.
Refer to the L5 flowchart and make a diagnosis based
on the Error code shown to the left.
Refer to the L8 flowchart and make a diagnosis
of the relevant compressor based
on the Error code shown to the left.
Diagnosis
179