Daikin Aurora Series Service Manual page 172

Symptom-based Troubleshooting
Error code
Defective discharge pipe thermistor (R21T):
J3 - 16
Open (Master)
Defective discharge pipe thermistor (R21T):
J3 - 17
Short (Master)
Defective discharge pipe thermistor (R21T):
J3 - 22
Open (Slave 1)
Defective discharge pipe thermistor (R21T):
J3 - 23
Short (Slave 1)
Defective discharge pipe thermistor (R21T):
J3 - 28
Open (Slave 2)
Defective discharge pipe thermistor (R21T):
J3 - 29
Short (Slave 2)
Defective compressor body thermistor (R14T):
J3 - 47
Open (Master)
Defective compressor body thermistor (R14T):
J3 - 48
Short (Master)
Defective compressor body thermistor (R14T):
J3 - 49
Open (Slave 1)
Defective compressor body thermistor (R14T):
J3 - 50
Short (Slave 1)
Defective compressor body thermistor (R14T):
J3 - 51
Open (Slave 2)
Defective compressor body thermistor (R14T):
J3 - 52
Short (Slave 2)
J3 - 56 Discharge pipe warning (Master)
J3 - 57 Discharge pipe warning (Slave 1)
J3 - 58 Discharge pipe warning (Slave 2)
Defective compressor suction thermistor (R12T)
J5 - 01
(Master)
Defective compressor suction thermistor (R12T)
J5 - 03
(Slave 1)
Defective compressor suction thermistor (R12T)
J5 - 05
(Slave 2)
Error detection of suction pipe thermistor (R10T)
J5 - 18
(Master)
Error detection of suction pipe thermistor (R10T)
J5 - 19
(Slave 1)
Error detection of suction pipe thermistor (R10T)
J5 - 20
(Slave 2)
159
Description of error
Troubleshooting
Description of diagnosis
Refer to the J3 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 J5 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.
SiUS341802E
Service Diagnosis