Hisense AS-09UR4SVNVG1 Service Manual page 34

7 . T R O U B L E S H
7 . T R O U B L E S
Error code 36
Communication trouble
Are all the lead wires connected
between indoor and outdoor unit?
yes
Is there power output between
indoor T/B 1 and 2 AC220V?
And "S" of indoor terminal block
DC24V?
yes
Does the power
indicator(LED) of outdoor
control board(PCB) light
up?
no
Is the 3.15A fuse(F01) of outdoor
PCB blown?
no
Is the 3.15A fuse(F02) of outdoor
PCB blown?
no
Is the 15A fuse(F03) of outdoor PCB
blown?
no
Is there power input between 1 and 2
on terminal block of outdoor unit?
no
Is there power output between 1 and
2 on terminal block of indoor unit?
no
Is there power output(AC220V) of
indoor unit between "N out" and "L
out"?
no
Indoor control board and
replace it
O O T I N G
H O O T I N G
Connect the indoor and
no
outdoor unit again according
to the wiring diagram
Indoor control
no
board in trouble
Replace the
yes
outdoor IPM board
and start up again
yes
Replace fuse
Is unsafety voltage part of outdoor
yes
control board short circuit?(such as fan
motor, 4-way valve winding)
Outdoor control board
trouble and replace it.
Connection wire trouble
yes
Connection wire trouble
yes
Connection wire trouble
yes
Display board fault,
Indoor control board
fault, replace it.
no
Is the system in yes
good condition?
no
yes
outdoor unit has short circuit
trouble, check the connection
yes
wire,outdoor control board,
IPM, rectifier and electrolyse
Replace the trouble unit
and check
and check
and check
replace it
no
Is the system in
yes
Check operation
good condition?
Outdoor IPM
board trouble
Normal protection
and replace fuse
The control system of
capacitor