L4-00 - Outdoor Unit: Malfunction Of Inverter Radiating Fin Temperature Rise - Daikin Comfora XP Series Service Manual

2.5.24 L4-00 – Outdoor unit: Malfunction of inverter radiating fin temperature rise
ATXP20~35 + FTXP20~71 + ARXP20~35 + RXP20~71
Split Comfora R32
ESIE18-01D – 2022.02
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1 Perform a check of the main PCB. See
Possible cause: Faulty main PCB.
2 Perform a check of the outdoor unit fan motor. See
4
motor" [ 91].
Possible cause: Faulty outdoor unit fan motor.
3 Check if the power supply is compliant with the regulations. See
4
circuit" [ 128].
Possible cause:
▪ Faulty or disturbance of the power supply (power supply MUST be within
range of nominal operating voltage ±4%),
▪ Power drop,
▪ Short circuit.
4 Clean the outdoor heat exchanger. See "5 Maintenance" [
Possible cause: Dirty outdoor heat exchanger.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
Trigger
Radiating fin thermistor
measures a too high
temperature.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1 Perform a check of the outdoor unit fan motor. See
4
motor" [ 91].
Possible cause: Faulty outdoor unit fan motor.
2 Check if the power supply is compliant with the regulations. See
4
circuit" [ 128].
Possible cause:
▪ Faulty or disturbance of the power supply (power supply MUST be within
range of nominal operating voltage ±4%),
▪ Power drop,
▪ Short circuit.
3 Perform a check of the main PCB. See
Possible cause: Faulty main PCB.
"3.8 Main
Effect
Unit will stop operating.
"3.8 Main
2 Troubleshooting
|
4
PCB" [ 85].
"3.9 Outdoor unit fan
"4.1 Electrical
4
139].
Reset
Manual reset via user
interface.
"3.9 Outdoor unit fan
"4.1 Electrical
4
PCB" [ 85].
Service manual
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