Daikin Perfera ARXM R Series, Service Manual, Page: 10 / 256

2 | Troubleshooting
Service manual
10
RXM20~71R + ARXM25~71R + FTXM20~71R + ATXM25~50R +
FVXM25~50A
Split New Perfera R32
ESIE20-11 – 2021.01
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
2.5.2 A5-00 – Outdoor unit: High pressure peak cut / freeze protection problem
Trigger Effect Reset
During cooling operation,
indoor heat exchanger
temperature is below 0°C
(freeze‑up protection
control). Unit will stop operating. Automatic reset when
temperature is within
range.
During heating operation,
indoor heat exchanger
temperature is above
65°C (heating peak‑cut
control).
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1 Check for objects near the indoor unit that may block the airflow. See
"4.3 External factors" [
4
212].
Possible cause: Airflow of the indoor unit is blocked.
2 Clean the air filter of the indoor unit(s). See "5 Maintenance" [
4
214].
Possible cause: Faulty or dirty air filter.
3 Clean the indoor unit heat exchanger. See "5 Maintenance" [ 4 214].
Possible cause: Dirty indoor unit heat exchanger.
4 Perform a check of the indoor unit heat exchanger thermistor. See
"3.19 Thermistors" [
4
189].
Possible cause: Faulty indoor unit heat exchanger thermistor.
5 Perform a check of the indoor unit main PCB. See "3.9 Indoor unit main
PCB" [
4
102].
Possible cause: Faulty indoor unit main PCB.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.