Daikin EBLA16DA3V3 Service Manual

2 | Troubleshooting
Service manual
74
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03
Root cause category: component – electrical
Possible failure Root cause Check Repair
Expansion valve incorrect
control - superheat too
low.
▪ Faulty suction
thermistor,
▪ Faulty expansion valve
control.
▪ Check suction
thermistor,
▪ Check the expansion
valve.
▪ Replace thermistor when
required,
▪ Replace expansion valve
when required.
2.4.8 Symptom: Abnormal presence of ice
Possible failure Root cause Check Repair
General ice build-up. — — Outdoor unit installation
MUST be protected from
weather (wind, snow, ...).
See installer reference
guide for correct
installation.
Ice build-up on the
outdoor unit.
▪ Clogged drain holes,
▪ Snow on the outdoor
unit,
▪ Ice building up on the
casing.
Ice is NOT in direct contact
with fins.
▪ Unclog drain holes or
remove any scraps that
can be used for ice to
build up,
▪ Remove ice.
Defrost operation
malfunction.
NOT enough defrost
power: shortage of
refrigerant.
▪ Check refrigerant charge,
▪ Check for leaks.
▪ Replace refrigerant,
▪ Fix leaks.
Ice build-up at entry spot
of refrigerant.
Refrigerant shortage. ▪ Check refrigerant charge,
▪ Check for leaks.
▪ Replace refrigerant,
▪ Fix leaks.
Partial ice up of coil. Partial refrigerant
blockage.
Check refrigerant circuit. Replace part where
blockage occurs.
Dirty coil. Check if coil is dirty. Clean coil.
Bad weather conditions. Unit is NOT powerful
enough to defrost due to
too strong wind, snow, ...
Outdoor unit installation
MUST be protected from
weather (wind, snow, ...).
See installer reference
guide for correct
installation.

Daikin EBLA16DA3V3 Specifications

General

Brand	Daikin
Model	EBLA16DA3V3
Category	Heat Pump
Language	English