Daikin EBLA16DA3V3 Service Manual

2 | Troubleshooting
Service manual
83
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03
2.4.14 Symptom: System does not start or operate
Root cause category: software control
Possible failure Root cause Check Repair
Thermostat ON conditions
for space heating (cooling)
are NOT met.
Thermostat ON conditions
for space heating (cooling)
are NOT met.
Confirm thermostat on
conditions depending on
the unit control method
(setting [C‑07]):
▪ Setting 1: external room
thermostat indicates by
contact when to start/
stop,
▪ Setting 2: room
thermostat control =>
compare setpoint with
room thermistor value.
- Thermo on: room
temperature = setpoint
- (hysteresis/2),
- Thermo off = room
temperature +
(hysteresis/2). For
setting of hysteresis,
see setting [9‑0C],
▪ Setting 3: outlet water
temperature control =>
Thermo on: outlet water
temperature = setpoint.
Thermo off: outlet water
temperature –1,5°C.
Change setpoint if
required.
Thermostat ON conditions
for domestic hot water
operation are NOT met.
Thermostat ON conditions
for domestic hot water
operation are NOT met.
Confirm thermostat on
conditions depending on
the selected domestic hot
water control type (setting
[6‑0D]).
Change setpoint if
required.
Out of operation range
(ambient temperature
above 35°C).
Ambient temperature
higher than 35°C.
No action - unit CANNOT
operate when ambient
temperature is above 35°C.
Root cause category: end user
Possible failure Root cause Check Repair
Space heating (cooling) or
domestic hot water
operation is NOT activated
on the user interface.
Confirm if space heating
(cooling) operation or
domestic hot water
operation is activated on
user interface.
Activate space heating
(cooling) or domestic hot
water operation on the
user interface.

Daikin EBLA16DA3V3 Specifications

General

Brand	Daikin
Model	EBLA16DA3V3
Category	Heat Pump
Language	English