SiBE811001EB
Troubleshooting
CONVENI-PACK
170
Troubleshooting
Caution
Be sure to turn off the power switch before connecting or disconnecting connectors, or parts may be damaged.
A
NO
YES
YES
YES
YES
NO
YES
YES
NO
NO
NO
NO
Turn OFF the power and wait for 10
minutes.
There is a foreign
matter around the
fan.
The fan motor
connectors (X1A
and X2A) of the fan
PCB (A2P) are
disconnected.
The connectors
between the indoor
unit PCB (A1P) and
the fan PCB (A2P)
are disconnected.
The fuse (F2U, white)
on the fan PCB (A2P)
has no continuity.
The fan can be
moved lightly by
hand after the fan
motor connector of
the fan PCB (A2P) is
removed.
The resistance
between the power
wire terminals of the
fan motor and motor
frame (metal part) is
1 M
Ω
or below.
Remove the power wire connector from
the fan motor and measure the
resistance between U and V, V and W,
and W and U phases (
∗
1).
Remove the foreign matter.
Connect correctly.
Connect correctly.
Replace the fan PCB (A2P).
Replace the fan motor.
Replace the fan motor.