Vivax ACP-12CC35AERI, Service Manual

Page: 148 / 177

Troubleshooting
144 Electrical Control System
2.4.2 For the super-slim cassette with up-down panel
2.4.2.1 Communication error between indoor unit and up-down panel
F0 Displayed
F0 Displayed
Communication failure between
indoor unit and up-down panel
Communication failure between
indoor unit and up-down panel
Check the wire connection
between up-down panel and
indoor unit, is it right?
C
Check the wire connection
between up-down panel and
indoor unit, is it right?
orrect the connection
Correct the connection No
Yes
Replace the indoor main PCB
Replace the indoor main PCB No
Replace the up-down panel
Replace the up-down panel
2.4.2.2 Up-down panel is defective
F1 Displayed
F1 Displayed
Up-down panel is defective
Up-down panel is defective
Retry if panel can up and
down normally?
R d
Retry if panel can up and
down normally?
Check the wiring of
left ff and right sensors
C f
le rs
Check the wiring of
left and right sensors
No
No
The up-down panel is defective.
replace it
The up-down panel is defective.
replace it
Yes
No
If panel can move slightly, power
off ff , then restart the unit 2 minutes
later.
If the error still exists?
If panel can move slightly, power
off, then restart the unit 2 minutes
later.
If the error still exists?
No
If panel can not move
slightly, check the wiring
of louver motors
I
If panel can not move
slightly, check the wiring
of louver motors
Yes
econnect
Reconnect
Replace the louver
motors
Replace the louver
motors
Reconnect
Reconnect
No
No
No
F7
F8