Daikin Sky Air Advance RZA200D7Y1B Service Manual page 76

3 | Components
To check the wiring of the fan inverter PCB
To check the fuse of the fan inverter PCB
To perform a power transistor check of the fan inverter PCB
Service manual
76
Prerequisite: First perform all earlier checks of the fan inverter PCB, see
"3.5.1 Checking procedures" [
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
1 Check that all wires are properly connected and that all connectors are fully
plugged‑in.
2 Check that no connectors or wires are damaged.
3 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 fan inverter PCB, see
"3.5.1 Checking procedures" [
1 Measure the continuity of the fuse. If no continuity is measured, the fuse has
blown.
a Fuse
Blown fuse on the fan inverter PCB?
Yes
No
Prerequisite: Stop the unit operation via the user interface.
4
74].
Action
No further actions required.
Return to
procedures" [
PCB and continue with the next
procedure.
4
74].
Action
Replace the fan inverter PCB, see
"3.5.2 Repair
Return to
procedures" [
PCB and continue with the next
procedure.
"6.2 Wiring
"3.5.1 Checking
4
74] of the fan inverter
a
4
procedures" [ 78].
"3.5.1 Checking
4
74] of the fan inverter
RZA200+250D7Y1B
Sky Air Advance-series
ESIE19-13A – 2020.05