Daikin EBLA16DA3V3 Service Manual

2 | Troubleshooting
Service manual
67
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03
2.4 Symptom based troubleshooting
2.4.1 Symptom: Incorrect energy metering read-out
Root cause category: hardware
Possible failure Root cause Check Repair
kWh values measured with
field supplied meters show
different values as the user
interface.
Backup heater wiring is
NOT correct.
Check backup heater
wiring, see the installer
reference guide.
Adjust wiring if required.
Values on user interface
are incorrect, show strange
values.
User interface is replaced
or reset to factory settings;
Previous measurements
are lost.
Check if user interface is
replaced or reset.
Reset measurements of
field supplied electrical
meters and reset user
interface and hydro PCB to
factory settings.
Values on user interface
are incorrect, show strange
values.
Hydro PCB is replaced or
reset to factory settings;
Previous settings are lost.
Check if hydro PCB is
replaced or reset.
Reset measurements of
field supplied electrical
meters and reset user
interface and hydro PCB to
factory settings.
Unit operates in
emergency mode.
Backup heater is allowed in
emergency mode, setting
[4‑00].
Check setting. If you do NOT want the
backup heater to run
automatically in
emergency mode, adjust
setting.
2.4.2 Water pump related
Symptom: Increased water pump sound level
Root cause category: installation
Possible failure Root cause Check Repair
Water filter blocked. Dirty water. ▪ Check water filter,
▪ Check water quality.
Clean the water filter.
Air in the water circuit. NOT enough air purged. ▪ Check if all air purge
valves are open,
▪ Check if air purge valves
are installed on all
highest points of the field
installed water circuit.
Purge air out of the unit
and field supplied water
system and backup heater.
Water pressure too low. ▪ Water pressure NOT
checked during filling,
▪ Air was purged from the
water circuit after filling,
▪ Leakage.
▪ Expansion vessel is
broken or not properly
pre-adjusted.
Check water pressure. Adjust water pressure if
required (±2bar).

Daikin EBLA16DA3V3 Specifications

General

Brand	Daikin
Model	EBLA16DA3V3
Category	Heat Pump
Language	English