Daikin RXQ12AHR Service Manual page 187

SiAF341904E
Error code
Defective reactor thermistor 1
P3 - 01
(Master: Inverter PCB 1)
Defective reactor thermistor 1
P3 - 02
(Slave 1: Inverter PCB 1)
Defective reactor thermistor 1
P3 - 03
(Slave 2: Inverter PCB 1)
Defective reactor thermistor 2
P3 - 04
(Master: Inverter PCB 1)
Defective reactor thermistor 2
P3 - 05
(Slave 1: Inverter PCB 1)
Defective reactor thermistor 2
P3 - 06
(Slave 2: Inverter PCB 1)
Defective reactor thermistor 1
P3 - 07
(Master: Inverter PCB 2)
Defective reactor thermistor 1
P3 - 08
(Slave 1: Inverter PCB 2)
Defective reactor thermistor 1
P3 - 09
(Slave 2: Inverter PCB 2)
Defective reactor thermistor 2
P3 - 10
(Master: Inverter PCB 2)
Defective reactor thermistor 2
P3 - 11
(Slave 1: Inverter PCB 2)
Defective reactor thermistor 2
P3 - 12
(Slave 2: Inverter PCB 2)
Defective radiation fin thermistor
P4 - 01
(Master: Inverter PCB 1)
P4 - 02 Defective fan M1F fin sensor (Master)
P4 - 03 Defective fan M2F fin sensor (Master)
Defective radiation fin thermistor
P4 - 04
(Slave 1: Inverter PCB 1)
Defective radiation fin thermistor
P4 - 05
(Slave 2: Inverter PCB 1)
Defective radiation fin thermistor
P4 - 06
(Master: Inverter PCB 2)
Defective radiation fin thermistor
P4 - 07
(Slave 1: Inverter PCB 2)
Defective radiation fin thermistor
P4 - 08
(Slave 2: Inverter PCB 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 1 (Master)
PJ - 05 Incorrect type of inverter PCB 1 (Slave 1)
PJ - 06 Incorrect type of inverter PCB 1 (Slave 2)
PJ - 09 Incorrect type of fan PCB 1 (Master)
PJ - 10 Incorrect type of fan PCB 2 (Master)
PJ - 12 Incorrect type of inverter PCB 2 (Master)
PJ - 13 Incorrect type of inverter PCB 2 (Slave 1)
PJ - 14 Incorrect type of inverter PCB 2 (Slave 2)
PJ - 15 Incorrect type of fan PCB 1 (Slave 1)
PJ - 16 Incorrect type of fan PCB 1 (Slave 2)
PJ - 17 Incorrect type of fan PCB 2 (Slave 1)
PJ - 18 Incorrect type of fan PCB 2 (Slave 2)
U0 - 05 Refrigerant shortage warning (cooling)
U0 - 08 Refrigerant shortage (Master)
U0 - 09 Refrigerant shortage (Slave 1)
U0 - 10 Refrigerant shortage (Slave 2)
Part 6 Service Diagnosis
Description of error
Troubleshooting with Remote Controller
Troubleshooting
Refer to the P3 flowchart and make a diagnosis based
on the Error code shown to the left.
Refer to the P4 flowchart and make a diagnosis based
on the Error code shown to the left.
Refer to the PJ flowchart and make a diagnosis based
on the Error code shown to the left.
Refer to the U0 flowchart and make a diagnosis based
on the Error code shown to the left.
Diagnosis
181