2 | Troubleshooting
Service manual
55
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03
2.3.63 LC-00 – Malfunction in communication system of outdoor unit
Trigger Effect Reset
Malfunction in
communication system
inside the unit.
Unit will stop operating. Manual reset.
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 "3.14Main PCB"[4171].
Possible cause: Faulty main PCB.
2 Perform a check of the outdoor unit fan motor. See "3.16 Outdoor unit fan
motor"[4217].
Possible cause: Faulty outdoor unit fan motor.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
2.3.64 P1-00 – Open phase power supply imbalance
Trigger Effect Reset
Malfunction in
transmission system
inside the outdoor unit.
Unit will stop operating. Automatic reset.
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 "3.14Main PCB"[4171].
Possible cause: Faulty main PCB.
2 Perform a check of the noise filter PCB. See "3.15Noise filter PCB"[4194].
Possible cause: Faulty noise filter PCB.
3 Check if the power supply is conform with the regulations. See "4.1Electrical
circuit"[4284].
Possible cause:
▪ Faulty or disturbance of the power supply (imbalance >4%),
▪ Power drop,
▪ Short circuit.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.