Daikin Aurora Series Service Manual page 176

Symptom-based Troubleshooting
Error code
Momentary power failure during test operation
L2 - 01
(Master)
Momentary power failure during test operation
L2 - 02
(Slave 1)
Momentary power failure during test operation
L2 - 03
(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)
Reactor temperature rise: Inverter PCB
L3 - 01
(Master)
L3 - 03 Reactor temperature rise: Inverter PCB (Slave 1)
L3 - 05 Reactor temperature rise: Inverter PCB (Slave 2)
Radiation fin temperature rise: Inverter PCB
L4 - 01
(Master)
Radiation fin temperature rise: Inverter PCB
L4 - 02
(Slave 1)
Radiation fin temperature rise: Inverter PCB
L4 - 03
(Slave 2)
L4 - 06 Radiation fin temperature rise: Fan M1F (Master)
L4 - 07 Radiation fin temperature rise: Fan M2F (Master)
Inverter radiation fin temperature rise
L4 - 12
abnormality (Master)
Inverter radiation fin temperature rise
L4 - 13
abnormality (Slave 1)
Inverter radiation fin temperature rise
L4 - 14
abnormality (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)
Inverter compressor M1C momentary
L5 - 03
overcurrent (Master)
Inverter compressor M1C momentary
L5 - 05
overcurrent (Slave 1)
Inverter compressor M1C momentary
L5 - 07
overcurrent (Slave 2)
L8 - 03 Inverter compressor M1C overcurrent (Master)
L8 - 06 Inverter compressor M1C overcurrent (Slave 1)
L8 - 07 Inverter compressor M1C overcurrent (Slave 2)
L9 - 01 Inverter compressor M1C startup error (Master)
L9 - 05 Inverter compressor M1C startup error (Slave 1)
L9 - 06 Inverter 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)
163
Description of error
Troubleshooting
Description of diagnosis
Refer to the L2 flowchart of each manual and make a diagnosis
of the relevant unit based on the Error code shown to the left.
Refer to the L3 flowchart of each manual and make a diagnosis
of the relevant unit based on the Error code shown to the left.
Refer to the L4 flowchart of each manual and make a diagnosis
of the relevant unit based on the Error code shown to the left.
Refer to the L5 flowchart of each manual and make a diagnosis
of the relevant unit based on the Error code shown to the left.
Refer to the L8 flowchart of each manual and make a diagnosis
of the relevant unit based on the Error code shown to the left.
Refer to the L9 flowchart of each manual and make a diagnosis
of the relevant unit based on the Error code shown to the left.
SiUS341802E
Service Diagnosis