E1-00 - Outdoor Unit: Pcb Defect - Daikin altherma 3 M Service Manual

2 | Troubleshooting
2.3.25 E1-00 – Outdoor unit: PCB defect
Service manual
28
▪ Measure the room temperature and compare to the room temperature
shown on the user interface (remote controller).
▪ If temperature shown on the user interface differs from the measured
temperature, replace the user interface (remote controller). See
documentation of the user interface (remote controller) for more
information.
Possible cause: Faulty room thermistor.
2 Check the communication wiring between the remote controller and the unit.
See "3.21 User interface" [
Possible cause: Faulty wiring between the remote controller and the unit.
3 Perform a check of the hydro PCB. See
Possible cause: Faulty hydro 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
Possible cause: Faulty main PCB.
2 Check if the power supply is conform with the regulations. See
4
circuit" [ 284].
Possible cause:
▪ Faulty or disturbance of the power supply (imbalance >4%),
▪ Power drop,
▪ Short circuit.
3 Perform a check of the outdoor unit fan motor. See
4
motor" [ 217].
Possible cause: Faulty outdoor unit fan motor.
4 Perform a check of the compressor. See "3.7 Compressor" [
Possible cause: Faulty compressor or miswiring of the compressor power
supply cable.
Prerequisite: Stop the unit operation via the user interface.
5 Turn OFF the respective circuit breaker.
4
266].
"3.12 Hydro
Effect
Unit will stop operating.
"3.14 Main
4
PCB" [ 160].
Reset
Manual reset via user
interface.
Power reset.
4
PCB" [ 171].
"4.1 Electrical
"3.16 Outdoor unit fan
4
134].
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03