A5-00 - Freeze-Up Protection / Heating Peak Cut Control; A6-00 - Indoor Unit Fan Motor Abnormality - Daikin Stylish Series Service Manual

1.5.2 A5-00 – Freeze-up protection / heating peak cut control
1.5.3 A6-00 – Indoor unit fan motor abnormality
(C)(F)TXA15~50A(W)(S)(T) + (C)(F)TXA15~50B(B)(S)(T) + RXA42+50A +
RXA20~35A + RXA42+50B
Split Stylish R32
ESIE18-03C – 2020.02
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
"2.18 Thermistors" [
Possible cause: Faulty indoor unit heat exchanger thermistor.
5 Perform a check of the indoor unit PCB. See
Possible cause: Faulty indoor unit PCB.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
Trigger
The rotation speed of the
fan motor is NOT
detected while the output
voltage to the fan is at its
maximum.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
Effect
Unit will stop operating.
4
140].
4
142].
4
119].
Effect
Unit will stop operating.
1 Troubleshooting
|
Reset
Automatic reset when
temperature is within
range.
4
142].
4
"2.8 Indoor unit PCB" [
Reset
Power reset via the
outdoor unit.
71].
Service manual
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