A5-00 - Freeze-Up Protection / Heating Peak Cut Control - Daikin Split Comfora R32 Service Manual

1 | Troubleshooting
1.5.2 A5-00 – Freeze-up protection / heating peak cut control
Service manual
8
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
Trigger
During cooling operation,
indoor heat exchanger
temperature is below 0°C
(freeze‑up protection
control).
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
"3.3 External factors" [
Possible cause: Airflow of the indoor unit is blocked.
2 Clean the air filter. See "4 Maintenance" [
Possible cause: Faulty or dirty air filter.
3 Clean the indoor unit heat exchanger. See "4 Maintenance" [
Possible cause: Dirty indoor unit heat exchanger.
4 Perform a check of the indoor unit heat exchanger thermistor. See
"2.14 Thermistors" [
Possible cause: Faulty indoor unit heat exchanger thermistor.
5 Perform a check of the indoor unit main PCB. See
4
PCB" [ 68].
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.
Effect
Unit will stop operating.
4
130].
4
4
110].
Reset
Automatic reset when
temperature is within
range.
132].
4
132].
"2.6 Indoor unit main
ATXP20~35 + FTXP20~71 + ARXP20~35 + RXP20~71
ESIE18-01C – 2020.07
Split Comfora R32