Daikin EBLA16DA3V3 Service Manual

3 | Components
Service manual
87
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03
Are the measured voltages correct? Action
Yes Perform a position check of the 3‑way
valve (automatic procedure), see
"3.1.1Checking procedures"[486].
No Continue with the next step.
8 Measure the voltage on connector X17A pin 5 and 7.
Result: The measured voltage MUST be 230VAC.
Is the measured voltage on connector
X17A correct?
Action
Yes Continue with the next step.
No Perform a check of the hydro PCB, see
"3.12.1Checking procedures"[4160].
9 Disconnect connector X20A from the hydro PCB.
10 Activate DHW operation via the user interface.
11 Measure the resistance between X20A pin 3 and 5.
Result: The measured resistance MUST be 0Ω.
12 De-activate DHW operation and activate Space operation via the user
interface.
13 Measure the resistance between X20A pin 1 and 5.
Result: The measured resistance MUST be 0Ω.
Is the resistance for both
measurements on connector X20A
correct?
Action
Yes Relay KVR is switching correctly. Correct
the wiring between X20A, X17A and
X2M, see "6.2Wiring Diagram"[4314].
No Relay KVR is NOT switching correctly.
Replace the hydro PCB, see
"3.12.2Repair procedures"[4164],
To perform a position check of the 3-way valve (automatic procedure)
Prerequisite: First perform an electrical check of the 3‑way valve, see
"3.1.1Checking procedures"[486].
1 Turn ON the power of the unit.
2 Activate DHW operation via the user interface.

Daikin EBLA16DA3V3 Specifications

General

Brand	Daikin
Model	EBLA16DA3V3
Category	Heat Pump
Language	English