Daikin VRV EMERION REYQ-AATJA Service Manual page 312

Troubleshooting by Error Code
Error code
Defective subcooling heat exchanger gas pipe thermistor
J9 - 01
(R12T) (Master)
Defective subcooling heat exchanger gas pipe thermistor
J9 - 02
(R12T) (Sub)
Error detection of subcooling heat exchanger gas pipe
J9 - 08
thermistor (R12T) (Master)
Error detection of subcooling heat exchanger gas pipe
J9 - 09
thermistor (R12T) (Sub)
J9 - 11 Defective receiver gas purge thermistor (R4T) (Master)
J9 - 12 Defective receiver gas purge thermistor (R4T) (Sub)
J9 - 17
Defective electrical box air outlet thermistor (R3T) (Master)
J9 - 18 Defective electrical box air outlet thermistor (R3T) (Sub)
JA - 06
Defective high pressure sensor (S1NPH): Open (Master)
JA - 07 Defective high pressure sensor (S1NPH): Short (Master)
JA - 08 Defective high pressure sensor (S1NPH): Open (Sub)
JA - 09 Defective high pressure sensor (S1NPH): Short (Sub)
JC - 06 Defective low pressure sensor (S1NPL): Open (Master)
JC - 07 Defective low pressure sensor (S1NPL): Short (Master)
JC - 08 Defective low pressure sensor (S1NPL): Open (Sub)
JC - 09 Defective low pressure sensor (S1NPL): Short (Sub)
L1 - 01 IPM error: Compressor M1C (Master)
L1 - 02
Defective current sensor 1: Compressor M1C (Master)
L1 - 03 Defective current sensor 2: Compressor M1C (Master)
L1 - 04
IGBT error: Compressor M1C (Master)
L1 - 05 Jumper settings error (Master)
L1 - 07 IPM error: Compressor M1C (Sub)
L1 - 08 Defective current sensor 1: Compressor M1C (Sub)
L1 - 09 Defective current sensor 2: Compressor M1C (Sub)
L1 - 10 IGBT error: Compressor M1C (Sub)
L1 - 15 Jumper settings error (Sub)
L1 - 17
IPM error: Compressor M2C (Master)
L1 - 18 Defective current sensor 1: Compressor M2C (Master)
L1 - 19
Defective current sensor 2: Compressor M2C (Master)
L1 - 20 IGBT error: Compressor M2C (Master)
L1 - 21 DIP switch settings error (Master)
L1 - 22 IPM error: Compressor M2C (Sub)
L1 - 23 Defective current sensor 1: Compressor M2C (Sub)
L1 - 24 Defective current sensor 2: Compressor M2C (Sub)
L1 - 25 IGBT error: Compressor M2C (Sub)
L1 - 26
DIP switch settings error (Sub)
Defective inverter PCB EEPROM: Compressor M1C
L1 - 36
(Master)
Defective inverter PCB EEPROM: Compressor M2C
L1 - 37
(Master)
L1 - 38 Defective inverter PCB EEPROM: Compressor M1C (Sub)
L1 - 39 Defective inverter PCB EEPROM: Compressor M2C (Sub)
L1 - 47 15 V power supply error: Compressor M1C (Master)
L1 - 48 15 V power supply error: Compressor M2C (Master)
L1 - 49
15 V power supply error: Compressor M1C (Sub)
L1 - 50 15 V power supply error: Compressor M2C (Sub)
305
Error Description
Troubleshooting
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.
Refer to the JA flowchart and make a diagnosis of the
relevant sensor based on the Error code shown to the left.
Refer to the JC flowchart and make a diagnosis of the
relevant sensor based on the Error code shown to the left.
Refer to the L1 flowchart and make a diagnosis of the
relevant unit based on the Error code shown to the left.
SiUS372201EB
Diagnosis
Part 6 Service Diagnosis