Daikin Emura 3 Series Service Manual page 19

3.5.8 CE-00 – Intelligent thermal sensor abnormality
3.5.9 E1-00 – Outdoor unit: PCB defect
RXJ20~50A + FTXJ-A(W)(S)(B)
Split Emura 3 R32
ESIE22-04 – 2022.04
Trigger
▪ Disconnected sensor
▪ Broken sensor
▪ Communication error
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1 Perform a check of the intelligent thermal sensor. See Grid eye sensor.
Possible cause: Faulty intelligent thermal sensor.
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
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.
3 Perform a check of the outdoor unit fan motor. See Outdoor unit fan motor.
Possible cause: Faulty outdoor unit fan motor.
4 Perform a check of the compressor. See Compressor.
Possible cause: Faulty compressor or miswiring of the compressor power
supply cable.
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
5 Wait until the rectifier voltage is below 10 V DC.
Effect
Unit will stop operating.
Effect
Unit will stop operating.
draft – 22/04/2022 08:50
3 | Troubleshooting
Reset
Manual reset via user
interface.
Reset
Manual reset via user
interface.
Power reset.
"5.1 Electrical
Service manual
19