Daikin Perfera RXM20R, Service Manual

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3 | Troubleshooting
Service manual
25
RXM20~71R(9) + ARXM25~71R(9) + FTXM20~71R + ATXM25~50R +
FVXM25~50A
Split New Perfera R32
ESIE20-11B – 2022.02
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
3.5.12 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 "4.13 Outdoor unit fan
motor" [
4
143].
Possible cause: Faulty outdoor unit fan motor.
2 Perform a check of the main PCB. See "4.12 Main PCB" [
4
125].
Possible cause: Faulty main PCB.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
3.5.13 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 "5.3 External factors" [
4
215].
Possible cause: Outdoor temperature is out of operation range.
2 Perform a check of the compressor. See "4.2 Compressor" [
4
57].
Possible cause: Faulty compressor or miswiring of the compressor power
supply cable.
3 Perform a check of the main PCB. See "4.12 Main PCB" [
4
125].