Daikin Sky Air Advance RZA200D7Y1B Service Manual page 84

3 | Components
To check the fuses of the inverter PCB
To check the rectifier voltage of the inverter PCB
Service manual
84
3 Check that no connectors or wires are damaged.
4 Check that the wiring corresponds with the wiring diagram, see
4
diagram" [ 151].
INFORMATION
Correct the wiring as needed.
Is the problem solved?
Yes
No
Prerequisite: First perform all earlier checks of the inverter PCB, see
"3.7.1 Checking procedures" [
1 Measure the continuity of the fuse. If no continuity is measured, the fuse has
blown.
a
a Fuse
Any blown fuses on the inverter PCB?
Yes
No
Prerequisite: First perform all earlier checks of the inverter PCB, see
"3.7.1 Checking procedures" [
1 Unplug the rectifier voltage check connector X3A from the fan inverter PCB.
2 Turn ON the power of the unit.
3 Measure the voltage on the unplugged rectifier voltage check connector X3A.
Result: The measured voltage MUST be approximately 560 V DC.
Action
No further actions required.
Return to
procedures" [
and continue with the next procedure.
4
81].
Action
Replace the inverter PCB, see
"3.7.2 Repair
Return to
procedures" [
and continue with the next procedure.
4
81].
"6.2 Wiring
"3.7.1 Checking
4
81] of the inverter PCB
4
procedures" [ 89].
"3.7.1 Checking
4
81] of the inverter PCB
RZA200+250D7Y1B
Sky Air Advance-series
ESIE19-13A – 2020.05