Daikin Altherma 3 M - E7-00 - Outdoor Unit: Malfunction of Outdoor Unit Fan Motor; E8-00 - Outdoor Unit: Power Input Overvoltage

2 | Troubleshooting
Service manual
34
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
2.3.31 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 "3.16 Outdoor unit fan
motor"[4217].
Possible cause: Faulty outdoor unit fan motor.
2 Perform a check of the main PCB. See "3.14Main PCB"[4171].
Possible cause: Faulty main PCB.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
2.3.32 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 "4.5External factors"[4307].
Possible cause: Outdoor temperature is out of operation range.
2 Perform a check of the compressor. See "3.7Compressor"[4134].
Possible cause: Faulty compressor or miswiring of the compressor power
supply cable.
3 Perform a check of the main PCB. See "3.14Main PCB"[4171].