Daikin EBLA11DAV3 - Page 172

3 | Components
Service manual
172
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03
Does the main PCB receive power? Action
Yes Return to "Checking
procedures"[4171] of the main PCB
and continue with the next procedure.
No Continue with the next step.
4 Measure the output voltage between the wires LB‑NB on the noise filter PCB.
Result: The measured voltage MUST be 230VAC.
5 Measure the output voltage on connector X98A on the noise filter PCB.
Result: The measured voltage MUST be 230VAC.
ca b
a LB
b NB
c Connector X98A
Output voltage on noise filter PCB
correct?
Action
Yes Correct the wiring between the main
PCB and the noise filter PCB, see
"4.1.2Repair procedures"[4286].
No Perform a check of the noise filter PCB,
see "Checking procedures"[4194].
To check the HAP LED of the main PCB
Prerequisite: First check the power supply to the main PCB, see "Checking
procedures"[4171].
1 Locate the HAP LED on the main PCB.