Daikin VRV RXYQ72-384XAYCA, Service Manual

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SiUS342004EB Troubleshooting by Error Code
Part 6 Service Diagnosis 224
J8 - 01
Defective heat exchanger liquid upper thermistor (R4T)
(Master)
Refer to the J8 flowchart and make a diagnosis of the
relevant thermistor of the relevant unit based on the Error
code shown to the left.
J8 - 02
Defective heat exchanger liquid upper thermistor (R4T)
(Slave 1)
J8 - 03
Defective heat exchanger liquid upper thermistor (R4T)
(Slave 2)
J8 - 08
Defective heat exchanger liquid lower thermistor (R5T)
(Master)
J8 - 09
Defective heat exchanger liquid lower thermistor (R5T)
(Slave 1)
J8 - 10
Defective heat exchanger liquid lower thermistor (R5T)
(Slave 2)
J9 - 01
Defective subcooling heat exchanger gas pipe thermistor
(R6T) (Master)
Refer to the J9 flowchart and make a diagnosis of the
relevant thermistor of the relevant unit based on the Error
code shown to the left.
J9 - 02
Defective subcooling heat exchanger gas pipe thermistor
(R6T) (Slave 1)
J9 - 03
Defective subcooling heat exchanger gas pipe thermistor
(R6T) (Slave 2)
J9 - 08
Error detection of subcooling heat exchanger gas pipe
thermistor (R6T) (Master)
J9 - 09
Error detection of subcooling heat exchanger gas pipe
thermistor (R6T) (Slave 1)
J9 - 10
Error detection of subcooling heat exchanger gas pipe
thermistor (R6T) (Slave 2)
J9 - 11 Receiver gas purge thermistor (R13T) (Master)
J9 - 12 Receiver gas purge thermistor (R13T) (Slave 1)
J9 - 13 Receiver gas purge thermistor (R13T) (Slave 2)
JA - 06 Defective high pressure sensor (S1NPH): Open (Master) Refer to the JA flowchart and make a diagnosis of the
relevant sensor based on the Error code shown to the left.
JA - 07 Defective high pressure sensor (S1NPH): Short (Master)
JA - 08 Defective high pressure sensor (S1NPH): Open (Slave 1)
JA - 09 Defective high pressure sensor (S1NPH): Short (Slave 1)
JA - 10 Defective high pressure sensor (S1NPH): Open (Slave 2)
JA - 11 Defective high pressure sensor (S1NPH): Short (Slave 2)
JC - 06 Defective low pressure sensor (S1NPL): Open (Master) Refer to the JC flowchart and make a diagnosis of the
relevant sensor based on the Error code shown to the left.
JC - 07 Defective low pressure sensor (S1NPL): Short (Master)
JC - 08 Defective low pressure sensor (S1NPL): Open (Slave 1)
JC - 09 Defective low pressure sensor (S1NPL): Short (Slave 1)
JC - 10 Defective low pressure sensor (S1NPL): Open (Slave 2)
JC - 11 Defective low pressure sensor (S1NPL): Short (Slave 2)
Error code
Troubleshooting
Error Description Diagnosis