Daikin VRV RXYQ72-384XAYCA Service Manual page 230

Troubleshooting by Error Code
Error code
J5 - 01 Defective compressor suction thermistor (R12T) (Master)
Defective compressor suction thermistor (R12T)
J5 - 03
(Slave 1)
Defective compressor suction thermistor (R12T)
J5 - 05
(Slave 2)
J5 - 18
Error detection of suction pipe thermistor (R10T) (Master)
Error detection of suction pipe thermistor (R10T)
J5 - 19
(Slave 1)
Error detection of suction pipe thermistor (R10T)
J5 - 20
(Slave 2)
Defective heat exchanger deicer thermistor (R11T)
J6 - 01
(Master)
Defective heat exchanger deicer thermistor (R11T)
J6 - 02
(Slave 1)
Defective heat exchanger deicer thermistor (R11T)
J6 - 03
(Slave 2)
Defective heat exchanger gas upper thermistor (R8T)
J6 - 08
(Master)
Defective heat exchanger gas upper thermistor (R8T)
J6 - 09
(Slave 1)
Defective heat exchanger gas upper thermistor (R8T)
J6 - 10
(Slave 2)
Defective heat exchanger gas lower thermistor (R9T)
J6 - 11
(Master)
Defective heat exchanger gas lower thermistor (R9T)
J6 - 12
(Slave 1)
Defective heat exchanger gas lower thermistor (R9T)
J6 - 13
(Slave 2)
Error detection of heat exchanger gas upper thermistor
J6 - 14
(R8T) (Master)
Error detection of heat exchanger gas upper thermistor
J6 - 15
(R8T) (Slave 1)
Error detection of heat exchanger gas upper thermistor
J6 - 16
(R8T) (Slave 2)
Error detection of heat exchanger gas lower thermistor
J6 - 17
(R9T) (Master)
Error detection of heat exchanger gas lower thermistor
J6 - 18
(R9T) (Slave 1)
Error detection of heat exchanger gas lower thermistor
J6 - 19
(R9T) (Slave 2)
J7 - 01 Defective receiver inlet thermistor (R3T) (Master)
J7 - 02 Defective receiver inlet thermistor (R3T) (Slave 1)
J7 - 03 Defective receiver inlet thermistor (R3T) (Slave 2)
Defective subcooling heat exchanger liquid pipe thermistor
J7 - 06
(R7T) (Master)
Defective subcooling heat exchanger liquid pipe thermistor
J7 - 07
(R7T) (Slave 1)
Defective subcooling heat exchanger liquid pipe thermistor
J7 - 08
(R7T) (Slave 2)
J7 - 17 Standby for preventing fusible plug removal
J7 - 18 Defective subcooling injection thermistor (R16T) (Master)
Defective subcooling injection thermistor (R16T)
J7 - 19
(Slave 1)
Defective subcooling injection thermistor (R16T)
J7 - 20
(Slave 2)
223
Error Description
Troubleshooting
Refer to the J5 flowchart and make a diagnosis of the
relevant thermistor of the relevant unit based on the Error
code shown to the left.
Refer to the J6 flowchart and make a diagnosis of the
relevant thermistor of the relevant unit based on the Error
code shown to the left.
Refer to the J7 flowchart and make a diagnosis of the
relevant thermistor of the relevant unit based on the Error
code shown to the left.
SiUS342004EB
Diagnosis
Part 6 Service Diagnosis