Error Based Troubleshooting - Daikin Emura 3 Series Service Manual

3.5 Error based troubleshooting

3.5.1 A1-00 – PCB abnormality
RXJ20~50A + FTXJ-A(W)(S)(B)
Split Emura 3 R32
ESIE22-04 – 2022.04
9 Check the function of operation modes.
INFORMATION
You CANNOT set the Econo, Outdoor unit silent and Powerful operation or change
the temperature setpoint during the test run.
10 Check the error code history. If required, solve the cause of the errors and
perform the test operation again.
INFORMATION
▪
The test run is only completed if the indoor unit does not report any error code.
▪
See the service manual for the complete list of error codes and a detailed
troubleshooting guideline for each error.
Trigger
The system CANNOT set
the internal settings.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1 Check for improper combination of the indoor unit and the outdoor unit. See
the combination table in the Databook for more information.
2 Perform a check of the power supply, connections, wiring,... between the
outdoor unit and the indoor unit. See
Possible cause: Faulty wiring between the outdoor unit and the indoor unit.
3 Check if the power supply is compliant with the regulations. See
circuit" [ 4 60].
Possible cause:
▪ Faulty or disturbance of the power supply (power supply MUST be within
range of nominal operating voltage ±4%),
▪ Power drop,
▪ Short circuit.
4 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.
Effect
Unit will stop operating.
"5.1 Electrical
draft – 22/04/2022 08:50
3 | Troubleshooting
Reset
Power reset via outdoor
unit.
4
circuit" [ 60].
"5.1 Electrical
Service manual
15