H0-00 - Outdoor Unit: Voltage/Current Sensor Problem - Daikin Perfera ARXM25A Service Manual

3 | Troubleshooting
3.5.17 H0-00 – Outdoor unit: Voltage/current sensor problem
Service manual
28
draft – 21/12/2023 13:09
Possible cause: Faulty discharge pipe thermistor or connector fault.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
Trigger
Compressor voltage (DC)
is out of range before
start‑up.
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].
Possible cause:
▪ Faulty or disturbance of the power supply (power supply MUST be within
range of nominal operating voltage ±4%),
▪ Power drop,
▪ Short circuit.
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
3 Wait until the rectifier voltage is below 10 V DC.
DANGER: RISK OF ELECTROCUTION
Wait for at least 10 minutes after the circuit breaker has been turned OFF, to be sure
the rectifier voltage is below 10 V DC before proceeding.
4 Check that the thermal interface grease is applied properly on the (PCB or
refrigerant piping) contact surface of the heat sink. Adjust if needed.
Possible cause: Thermal interface grease NOT applied properly on the heat
sink.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
Effect
Unit will stop operating.
RXM20~50A + ARXM25~50A + FTXM20~50A + ATXM20~50A + CTXM15A
Reset
Manual reset via user
interface.
"4.1 Electrical
Split Perfera ZETA R32
ESIE23-06 – 2023.12