Daikin Aurora Series Service Manual page 174

Symptom-based Troubleshooting
Error code
Defective heat exchanger liquid upper
J8 - 01
thermistor (R4T) (Master)
Defective heat exchanger liquid upper
J8 - 02
thermistor (R4T) (Slave 1)
Defective heat exchanger liquid upper
J8 - 03
thermistor (R4T) (Slave 2)
Defective heat exchanger liquid lower
J8 - 08
thermistor (R5T) (Master)
Defective heat exchanger liquid lower
J8 - 09
thermistor (R5T) (Slave 1)
Defective heat exchanger liquid lower
J8 - 10
thermistor (R5T) (Slave 2)
Defective leak detection thermistor (R15T)
J8 - 11
(Master)
Defective leak detection thermistor (R15T)
J8 - 12
(Slave 1)
Defective leak detection thermistor (R15T)
J8 - 13
(Slave 2)
Defective subcooling heat exchanger gas pipe
J9 - 01
thermistor (R6T) (Master)
Defective subcooling heat exchanger gas pipe
J9 - 02
thermistor (R6T) (Slave 1)
Defective subcooling heat exchanger gas pipe
J9 - 03
thermistor (R6T) (Slave 2)
Error detection of subcooling heat exchanger
J9 - 08
gas pipe thermistor (R6T) (Master)
Error detection of subcooling heat exchanger
J9 - 09
gas pipe thermistor (R6T) (Slave 1)
Error detection of subcooling heat exchanger
J9 - 10
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)
Defective high pressure sensor (S1NPH): Open
JA - 06
(Master)
Defective high pressure sensor (S1NPH): Short
JA - 07
(Master)
Defective high pressure sensor (S1NPH): Open
JA - 08
(Slave 1)
Defective high pressure sensor (S1NPH): Short
JA - 09
(Slave 1)
Defective high pressure sensor (S1NPH): Open
JA - 10
(Slave 2)
Defective high pressure sensor (S1NPH): Short
JA - 11
(Slave 2)
Defective low pressure sensor (S1NPL): Open
JC - 06
(Master)
Defective low pressure sensor (S1NPL): Short
JC - 07
(Master)
Defective low pressure sensor (S1NPL): Open
JC - 08
(Slave 1)
Defective low pressure sensor (S1NPL): Short
JC - 09
(Slave 1)
Defective low pressure sensor (S1NPL): Open
JC - 10
(Slave 2)
Defective low pressure sensor (S1NPL): Short
JC - 11
(Slave 2)
161
Description of error
Troubleshooting
Description of diagnosis
Refer to the J8 flowchart of each manual and make a diagnosis
of the relevant thermistor of the relevant unit based on the Error
code shown to the left.
Refer to the J9 flowchart of each manual and make a diagnosis
of the relevant thermistor of the relevant unit based on the Error
code shown to the left.
Refer to the JA flowchart of each manual and make a diagnosis
of the relevant sensor based on the Error code shown to the left.
Refer to the JC flowchart of each manual and make a diagnosis
of the relevant sensor based on the Error code shown to the left.
SiUS341802E
Service Diagnosis