Main Pcb; Checking Procedures - Daikin Sky Air Advance RZA200D7Y1B Service Manual

3.9 Main PCB

3.9.1 Checking procedures

To perform a power check of the main PCB
RZA200+250D7Y1B
Sky Air Advance-series
ESIE19-13A – 2020.05
10 Add refrigerant
4
procedures" [ 142].
Is the problem solved?
Yes
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.
1 Remove the required plate work, see
2 Turn ON the power of the unit.
3 Measure the voltage between pin 1‑3 on connector X801A on the main PCB.
Result: The measured voltage MUST be 230 V AC ± 10%.
a
a Connector X801A
Is the measured voltage on the PCB
correct?
Yes
No
4 Check the power supply to the unit, see
to the refrigerant
Action
No further actions required.
Return to the troubleshooting of the
specific error and continue with the
next procedure.
"3.12 Plate
Action
Return to
procedures" [
continue with the next procedure.
Continue with the next step.
"4.1.1 Checking
3 Components
|
circuit, see "4.2.2 Repair
4
work" [ 111].
"3.9.1 Checking
4
95] of the PCB and
4
procedures" [
Service manual
135].
95