Daikin EBLA16DA3V3 Service Manual

2 | Troubleshooting
Service manual
61
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03
2 Check if the remote controller user interface functions correctly. See
"3.21User interface"[4266].
Possible cause: Faulty remote controller user interface.
3 Check the communication wiring between the remote controller and the unit.
See "3.21User interface"[4266].
Possible cause: Faulty wiring between the remote controller and the unit.
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.
2.3.74 U7-00 – Outdoor unit: Transmission malfunction between main microcomputer - inverter
microcomputer
Trigger Effect Reset
Communication
abnormality between
main and inverter
microcomputer.
Unit will stop operating. Manual reset via user
interface.
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 "3.14Main PCB"[4171].
Possible cause: Faulty main PCB.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
2.3.75 U8-02 – Connection with room thermostat lost
Trigger Effect Reset
Communication
abnormality between unit
and room thermostat
after connection was
already made.
Unit will NOT stop
operating.
Automatic reset.

Daikin EBLA16DA3V3 Specifications

General

Brand	Daikin
Model	EBLA16DA3V3
Category	Heat Pump
Language	English