Daikin VRV Aurora RXLQ-TATJU Series Service Manual page 234

Troubleshooting by Error Code
Error code
Defective reactor surface thermistor 1
P3 - 01
(Master: Inverter PCB 1)
Defective reactor surface thermistor 1
P3 - 02
(Slave 1: Inverter PCB 1)
Defective reactor surface thermistor 1
P3 - 03
(Slave 2: Inverter PCB 1)
Defective reactor surface thermistor 2
P3 - 04
(Master: Inverter PCB 1)
Defective reactor surface thermistor 2
P3 - 05
(Slave 1: Inverter PCB 1)
Defective reactor surface thermistor 2
P3 - 06
(Slave 2: Inverter PCB 1)
P4 - 02
Defective fan M1F fin sensor (Master)
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)
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
U0 - 05
Refrigerant shortage warning (cooling)
U0 - 06 Refrigerant shortage warning (heating)
U1 - 01 Reverse phase/open phase of power supply (Master)
Reverse phase/open phase of power supply
U1 - 04
(when power ON) (Master)
U1 - 05 Reverse phase/open phase of power supply (Slave 1)
Reverse phase/open phase of power supply
U1 - 06
(when power ON) (Slave 1)
U1 - 07 Reverse phase/open phase of power supply (Slave 2)
Reverse phase/open phase of power supply
U1 - 08
(when power ON) (Slave 2)
227
Error Description
Troubleshooting
Refer to the P3 flowchart and make a diagnosis of the
relevant unit based on the Error code shown to the left.
Refer to the P4 flowchart and make a diagnosis of the
relevant sensor based on the Error code shown to the left.
Refer to the PJ flowchart and make a diagnosis of the
relevant unit based on the Error code shown to the left.
Refer to the U0 flowchart and make a diagnosis of the
relevant unit based on the Error code shown to the left.
Refer to the U1 flowchart and make a diagnosis of the
relevant unit based on the Error code shown to the left.
SiUS341802EC
Diagnosis
Part 6 Service Diagnosis