E8-00 - Outdoor Unit: Power Input Overvoltage; Outdoor Unit: Cool/Heat Switchover Problem - Daikin Perfera ARXM25A Service Manual

3 | Troubleshooting
3.5.12 E8-00 – Outdoor unit: Power input overvoltage
3.5.13 EA-00 – Outdoor unit: Cool/heat switchover problem
Service manual
24
draft – 21/12/2023 13:09
Trigger
Compressor running
current exceeds standard
value for 2.5 seconds.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
INFORMATION
It is possible to analyse the data history by DCS. To judge if outdoor ambient
temperature is out of range.
1 Check the outdoor temperature. See
Possible cause: Outdoor temperature is out of operation range.
2 Perform a check of the compressor. See Compressor.
Possible cause: Faulty compressor or miswiring of the compressor power
supply cable.
3 Perform a check of the main PCB. See Main PCB.
Possible cause: Faulty main PCB.
4 Check if the power supply is compliant with the regulations. See
4
circuit" [ 51].
Possible cause:
▪ Faulty or disturbance of the power supply (power supply MUST be within
range of nominal operating voltage ±4%),
▪ Power drop,
▪ Short circuit.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
Trigger
Room thermistor is NOT
functioning within
operation range.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
Effect
Unit will stop operating.
"4.3 External
Effect
Unit will NOT stop
operating.
If the error occurs too
soon: unit will stop
operating.
RXM20~50A + ARXM25~50A + FTXM20~50A + ATXM20~50A + CTXM15A
Reset
Manual reset via user
interface.
4
factors" [ 62].
"4.1 Electrical
Reset
Automatic reset after a
continuous operation for
some time.
Manual reset via user
interface.
Split Perfera ZETA R32
ESIE23-06 – 2023.12