C9-00 - Room Thermistor Abnormality; E1-00 - Outdoor Unit: Pcb Defect - Daikin Perfera ARXM25A Service Manual

3.5.6 C9-00 – Room thermistor abnormality
3.5.7 E1-00 – Outdoor unit: PCB defect
RXM20~50A + ARXM25~50A + FTXM20~50A + ATXM20~50A + CTXM15A
Split Perfera ZETA R32
ESIE23-06 – 2023.12
1 Perform a check of the indoor unit heat exchanger thermistor. See
Thermistors.
Possible cause: Faulty indoor unit heat exchanger thermistor.
2 Perform a check of the indoor unit main PCB. See Indoor unit PCB.
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.
Trigger
Resistance value is out of
range. Temperature
measured <–43.6°C or
>90°C.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1 Perform a check of the indoor unit air (room) thermistor. See Thermistors.
Possible cause: Faulty indoor unit air (room) thermistor.
2 Perform a check of the indoor unit main PCB. See Indoor unit PCB.
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.
Trigger
Main PCB detects that
EEPROM is abnormal.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1 Perform a check of the main PCB. See Main PCB.
Possible cause: Faulty main PCB.
2 Check if the power supply is compliant with the regulations. See
4
circuit" [ 51].
Effect
Unit will stop operating.
Effect
Unit will stop operating.
draft – 21/12/2023 13:09
3 | Troubleshooting
Reset
Automatic reset when
resistance is within range.
Reset
Manual reset via user
interface.
Power reset.
"4.1 Electrical
Service manual
19