Daikin EBLA16DA3V3 Service Manual

3 | Components
Service manual
279
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03
a
b
a Pump speed
b PWM signal (duty cycle) [%]
Is the measured PWM signal correct? Action
Yes Replace the water pump housing, see
"3.24.2Repair procedures"[4279].
No Continue with the next step.
15 Unplug the water pump connector X25A and measure the PWM signal
between pins 1‑2 on the hydro PCB. The measured signal MUST be as
mentioned in the previous step.
Is the measured PWM signal correct? Action
Yes Replace the PWM signal harness
between the water pump and the hydro
PCB, see "3.24.2Repair
procedures"[4279].
No Perform a check of the hydro PCB, see
"3.12.1Checking procedures"[4160].
3.24.2 Repair procedures
To remove impurities from the water pump housing
Prerequisite: Remove the water pump housing, see "3.24.2 Repair
procedures"[4279].
1 Remove any impurities or objects that may block the water pump.
2 Install the water pump housing, see "3.24.2Repair procedures"[4279].
Is the problem solved? Action
Yes No further actions required.
No Return to the troubleshooting of the
specific error and continue with the
next procedure.
To remove the water pump motor
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
Prerequisite: Remove the required plate work, see "3.17Plate work"[4230].
1 Disconnect the connectors from the water pump motor.

Daikin EBLA16DA3V3 Specifications

General

Brand	Daikin
Model	EBLA16DA3V3
Category	Heat Pump
Language	English