Daikin Comfora ATXP20~35L2V1B, Service Manual

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1 Troubleshooting
Service manual
10
ATXP20~3 FTXP20~7 ARXP20~3
RXP20~71L2V1B
Split Comfora R32
ESIE18-01 – 2019.02
Possible cause: Faulty reactor.
INFORMATION
If all procedures listed above have been performed and the
problem is still present, contact the helpdesk.
1.5.20 H9-00 – Outdoor air thermistor
abnormality
Trigger Effect Reset
Outdoor air thermistor
input is out of range. Unit will stop
operating. Manual reset via user
interface.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed
order.
1 Perform a check of the outdoor air thermistor. See
"2.13 Thermistors" on page 41 .
Possible cause: Faulty outdoor air thermistor.
2 Perform a check of the main PCB. See "2.8 Main PCB" on
page 32 .
Possible cause: Faulty main PCB.
INFORMATION
If all procedures listed above have been performed and the
problem is still present, contact the helpdesk.
1.5.21 J3-00 – Discharge pipe thermistor
dislocation abnormality
Trigger Effect Reset
Discharge pipe
thermistor input is out
of range. Unit will stop
operating. Manual reset via user
interface.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed
order.
1 Perform a check of the discharge pipe thermistor. See
"2.13 Thermistors" on page 41 .
Possible cause: Faulty discharge pipe thermistor.
2 Perform a check of the main PCB. See "2.8 Main PCB" on
page 32 .
Possible cause: Faulty main PCB.
INFORMATION
If all procedures listed above have been performed and the
problem is still present, contact the helpdesk.
1.5.22 J6-00 – Outdoor heat exchanger
thermistor abnormality
Trigger Effect Reset
Outdoor heat
exchanger thermistor
input is out of range. Unit will stop
operating. Manual reset via user
interface.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed
order.
1 Perform a check of the heat exchanger thermistor. See
"2.13 Thermistors" on page 41 .
Possible cause: Faulty heat exchanger thermistor.
2 Perform a check of the main PCB. See "2.8 Main PCB" on
page 32 .
Possible cause: Faulty main PCB.
INFORMATION
If all procedures listed above have been performed and the
problem is still present, contact the helpdesk.
1.5.23 L3-00 – Electrical component temperature
abnormality
Trigger Effect Reset
Switch box
temperature is too
high. Unit will stop
operating. Manual reset via
remote controller.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed
order.
1 Perform a check of the inverter PCB. See "2.7 Inverter PCB" on
page 31 .
Possible cause: Faulty power module = inverter PCB.
2 Perform a check of the outdoor unit fan motor. See
"2.9 Outdoor unit fan motor" on page 34 .
Possible cause: Faulty outdoor unit fan motor.
3 Check if the power supply is conform with the regulations. See
"3.1 Power supply" on page 44 .
Possible cause:
▪ Faulty or disturbance of the power supply (imbalance
>10%),
▪ Power drop,
▪ Short circuit.
4 Clean the outdoor heat exchanger. See "4 Maintenance" on
page 48 .
Possible cause: Dirty outdoor heat exchanger.
INFORMATION
If all procedures listed above have been performed and the
problem is still present, contact the helpdesk.
1.5.24 L4-00 – Fin temperature increase
abnormality
Trigger Effect Reset
Radiating fin
thermistor measures
a too high
temperature. Unit will stop
operating. Manual reset via user
interface.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed
order.