Main Pcb; Single Fan Outdoor Unit - Single Phase - Daikin altherma 3 M Service Manual

3.14 Main PCB

3.14.1 Single fan outdoor unit - single phase

Checking procedures
To perform a power check of the main PCB
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03
Is the problem solved?
No
INFORMATION
It is recommended to perform the checks in the listed order.
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
Prerequisite: Remove the required plate work, see
1 Turn ON the power of the unit.
2 Measure the voltage between the wires LC‑NC on the main PCB.
Result: The measured voltage MUST be 230 V AC.
3 Measure the voltage on connector X99A on the main PCB.
Result: The measured voltage MUST be 230 V AC.
c
a LC
b NC
c Connector X99A
Action
Return to the troubleshooting of the
specific error and continue with the
next procedure.
"3.17 Plate
a
3 Components
|
work" [ 4 230].
b
Service manual
171