Daikin EBLA16DA3V3 Service Manual

2 | Troubleshooting
Service manual
64
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03
CAUTION
Always safely remove and eject media.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
2.3.79 U8-07 – P1/P2 communication error
Trigger Effect Reset
Lost communication
between unit user
interface and unit.
Unit will NOT stop
operating.
Automatic reset.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1 Check the communication wiring between the user interface and the unit PCB.
See "3.21User interface"[4266].
Possible cause: Faulty wiring between the user interface and the unit PCB.
2 Check if the unit user interface functions correctly. See "3.21 User
interface"[4266].
Possible cause: Faulty user interface on unit.
3 Perform a check of the hydro PCB. See "3.12Hydro PCB"[4160].
Possible cause: Faulty hydro PCB.
4 Check if the power supply is conform with the regulations. See "4.1Electrical
circuit"[4284].
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.
2.3.80 U8-11 – Connection with wireless gateway lost
Trigger Effect Reset
Communication
abnormality between unit
and wireless gateway.
Unit will NOT stop
operating.
Automatic reset.

Daikin EBLA16DA3V3 Specifications

General

Brand	Daikin
Model	EBLA16DA3V3
Category	Heat Pump
Language	English