Daikin VRVII - Page 47

Troubleshooting by Remote Controller
42
J6 - 01 Faulty heat exchanger
thermistor (Master)
Refer to the “J6” flow chart of
each manual and make a
diagnosis of the relevant
thermistor based on the Error
code shown to the left.
J6 - 02 Faulty heat exchanger
thermistor (Slave 1)
J6 - 03 Faulty heat exchanger
thermistor (Slave 2)
J7 - 01 Faulty liquid pipe thermistor
(Master)
Refer to the “J7” flow chart of
each manual and make a
diagnosis of the relevant
thermistor based on the Error
code shown to the left.
J7 - 02 Faulty liquid pipe thermistor
(Slave 1)
J7 - 03 Faulty liquid pipe thermistor
(Slave 2)
J9 - 01 Faulty subcooling heat
exchanger outlet thermistor
(Master)
Refer to the “J9” flow chart of
each manual and make a
diagnosis of the relevant
thermistor based on the Error
code shown to the left.
J9 - 02 Faulty subcooling heat
exchanger outlet thermistor
(Slave 1)
J9 - 03 Faulty subcooling heat
exchanger outlet thermistor
(Slave 2)
JA - 01 Faulty high pressure sensor
(Master)
Refer to the “JA” flow chart of
each manual and make a
diagnosis of the relevant sensor
based on the Error code shown
to the left.
JA - 02 Faulty high pressure sensor
(Slave 1)
JA - 03 Faulty high pressure sensor
(Slave 2)
JC - 01 Faulty low pressure sensor
(Master)
Refer to the “JC” flow chart of
each manual and make a
diagnosis of the relevant sensor
based on the Error code shown
to the left.
JC - 02 Faulty low pressure sensor
(Slave 1)
JC - 03 Faulty low pressure sensor
(Slave 2)
L1 - 01 Instantaneous overcurrent
(Master: Inverter PCB)
The inverter PCB may be faulty.
Refer to the “L1” flow chart of
each manual and make a
diagnosis of the relevant unit
based on the Error code shown
to the left.
L1 - 02 Current sensor error (Master:
Inverter PCB)
L1 - 03 Current offset error (Master:
Inverter PCB)
Error
code
Troubleshooting
Description of error Description of diagnosis