Daikin Stylish Series - L3-00 - Outdoor Unit: Electrical Box Temperature Rise Problem

1 | Troubleshooting
Service manual
24
(C)(F)TXA15~50A(W)(S)(T) + (C)(F)TXA15~50B(B)(S)(T) + RXA42+50A +
RXA20~35A + RXA42+50B
Split Stylish R32
ESIE18-03C – 2020.02
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
"2.18Thermistors"[4119].
Possible cause: Faulty heat exchanger thermistor.
2 Perform a check of the main PCB. See "2.11Main PCB"[481].
Possible cause: Faulty main PCB.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
1.5.26 L3-00 – Outdoor unit: Electrical box temperature rise problem
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 "2.10Inverter PCB"[479].
Possible cause: Faulty inverter PCB.
2 Perform a check of the outdoor unit fan motor. See "2.12 Outdoor unit fan
motor"[489].
Possible cause: Faulty outdoor unit fan motor.
3 Check if the power supply is conform with the regulations. See "3.1Electrical
circuit"[4131].
Possible cause:
▪ Faulty or disturbance of the power supply (imbalance >10%),
▪ Power drop,
▪ Short circuit.
4 Clean the outdoor heat exchanger. See "4Maintenance"[4142].
Possible cause: Dirty outdoor heat exchanger.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.