Service Flow Chart - Hisense ADM-24UX4SGKA Service Manual

7 . T R O U B L E S H
7 . T R O U B L E S H

7-2. Service flow chart

Switch on the power
supply
Does remote controller
screen display normally?
No
Is the fuse(F01,
3.15A/250V) of indoor
control board blown?
No
Are the wires poorly
connected?
No
Check the input power supply voltage
（220V）.Is it ok?
Yes
Measure DC voltage No.1(+)
and No.2 (-) on the CN20
scoket(To 5-2),is it +12V?(The
voltage is power supply of
remote controller ) .
Yes
Replace the remote controller.
O O T I N G
O O T I N G
Yes
Check and find short
circuit or open circuit
Yes
among other
components such as
transformer or fan
motor
Yes
Check all wires are
connected correctly
No
Check the total
power supply.
No
Indoor control board is
faulty.
A A D D M M
Does it receive the
remote controller
signal?
No
After replacing the
remote controller. ，
Is it ok?
No
Replace the indoor
control board
29
- - 2 2 4 4 U U X X 4 4 S S G G K K A A
Yes Check corresponding
trouble according
trouble code.
Yes
Remote controller in
trouble
to