Daikin FTXA25BB - E7-00 - Outdoor Unit: Malfunction of Outdoor Unit Fan Motor; E8-00 - Outdoor Unit: Power Input Overvoltage

1 | Troubleshooting
Service manual
16
FTXA20~50A(W)(S)(T) + FTXA20~50B(B)(S)(T) + RXA42+50A +
RXA20~35A(9) + RXA42+50B
Split Stylish R32
ESIE18-03D – 2021.05
Possible cause: Faulty expansion valve.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
1.5.13 E7-00 – Outdoor unit: Malfunction of outdoor unit fan motor
Trigger Effect Reset
Fan does NOT start
15~30seconds after ON
signal.
It can occur that the error
code is triggered when
the fan motor is running
caused by a faulty
rotating sensor signal.
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 unit fan motor. See "2.13 Outdoor unit fan
motor"[4111].
Possible cause: Faulty outdoor unit fan motor.
2 Perform a check of the main PCB. See "2.12Main PCB"[491].
Possible cause: Faulty main PCB.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
1.5.14 E8-00 – Outdoor unit: Power input overvoltage
Trigger Effect Reset
Compressor running
current exceeds standard
value for 2.5seconds.
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 Check the outdoor temperature. See "3.3External factors"[4165].
Possible cause: Outdoor temperature is out of operation range.
2 Perform a check of the compressor. See "2.2Compressor"[446].