Daikin EBLA16DA3V3 Service Manual

2 | Troubleshooting
Service manual
11
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03
2.3 Error based troubleshooting
INFORMATION
No separate indoor unit is present in the installation.
When a reference is made to the indoor unit, it refers to the hydrobox of the unit.
2.3.1 7H-01 – Water flow problem
Trigger Effect Reset
System detects flow
abnormality during
operation.
Unit will stop operating. Automatic reset.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1 Check that all stop valves of the water circuit are open. See "4.3 Water
circuit"[4299].
Possible cause: Closed stop valve in the water circuit.
2 Purge the water circuit. See "4.3Water circuit"[4299].
Possible cause: Air in the water circuit.
3 Check the water flow. See "4.3Water circuit"[4299].
Possible cause: Water flow is too low.
4 Check the water pressure. See "4.3Water circuit"[4299].
Possible cause: Water pressure is too low.
5 Check if a by‑pass is installed in the water circuit. See "4.3 Water
circuit"[4299].
Possible cause: No by‑pass installed in the water circuit.
6 Clean the integrated filter of the shut‑off valve. See "5Maintenance"[4309].
Possible cause: Dirty filter in the shut‑off valve.
7 Perform an electrical check of the water flow sensor. See "3.22 Water flow
sensor"[4268].
Possible cause: Faulty water flow sensor.
8 Perform a check of the 3-way valve. See "3.13-way valve"[486].
Possible cause: Faulty 3‑way valve.
9 Perform a check of the water pump. See "3.24Water pump"[4276].
Possible cause: Faulty water pump.
10 Perform a check of the hydro PCB. See "3.12Hydro PCB"[4160].
Possible cause: Faulty hydro PCB.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.

Daikin EBLA16DA3V3 Specifications

General

Brand	Daikin
Model	EBLA16DA3V3
Category	Heat Pump
Language	English