Vivax ACP-12CT35GECI, Service Manual

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45
Troubleshooting
Is malfunction eliminated?
Is malfunction eliminated?
Is malfunction eliminated?
Is malfunction eliminated?
Replace mainboard of
indoor unit
Replace filter plate of
outdoor unit
Replace connection
wires
Connect wire connectly
according to wiring
diagram
Connect wire connectly
according to wiring
diagram
Wires are
connected correctly?
Wires are
connected correctly?
Whether connection
wires are damaged?
Whether there's
power input?
Replace mainboard of
outdoor unit
Communication is
resumed ?
End
No
No
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes Yes
Yes
Yes
Yes
Yes
Disconnect the power, and check
connection wire for indoor and outdoor
units and wires inside electric box are
connected correctly
Disconnect the power, and check whether the
connection wires between mainboard of outdoor
unit and filter palte are connected correctly by
referring to wiring diagram
Check whether the neutral wire
for mainboard of outdoor unit has
power input
All indoor units alarms
communication malfunction