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Error code 02
Error code 01
Take out from
Take out from
Does
Replace
No
Yes
Replace
the
the
the
indoor
Indoor
resistance
Evaporator
CN6(Red) ,Mea
CN3(White) ,M
thermistor
sensor
pcb
of
ure
thermistor have
sensor trouble
board
eaure
trouble
the
the
7
.
T
R
7
.
T
R
resistance
resistance
the
of
of
Are all the lead wires connected
between indoor and outdoor unit?
Is there power output between
indoor T/B 1 and 2 AC220V?
And "S" of indoor terminal block
indicator(LED) of outdoor
control board(PCB) light
Is the 3.15A fuse(F01) of outdoor
Is the 3.15A fuse(F02) of outdoor
Is the 15A fuse(F03) of outdoor PCB
Is there power input between 1 and 2
on terminal block of outdoor unit?
Is there power output between 1 and
2 on terminal block of indoor unit?
Is there power output(AC220V) of
indoor unit between "N out" and "L
O
U
B
L
E
S
H
O
O
T
I
N
O
U
B
L
E
S
H
O
O
T
I
N
Error code 36
Communication trouble
no
yes
no
DC24V?
yes
Does the power
Replace the
yes
outdoor IPM board
and start up again
up?
no
yes
PCB blown?
no
yes
PCB blown?
no
blown?
no
no
no
out"?
no
Indoor control board and
replace it
G
G
Connect the indoor and
outdoor unit again according
to the wiring diagram
Indoor control
Indoor control board
board in trouble
fault, replace it.
no
Is the system in
good condition?
Replace fuse
Is unsafety voltage part of outdoor
control board short circuit?(such as fan
motor, 4-way valve winding)
yes
Outdoor control board
trouble and replace it.
yes
Connection wire trouble
yes
and check
Connection wire trouble
yes
and check
Connection wire trouble
yes
and check
31
Display board fault,
replace it
no
Is the system in
yes
Check operation
good condition?
Outdoor IPM
yes
board trouble
Normal protection
no
and replace fuse
The control system of
outdoor unit has short circuit
trouble, check the connection
wire,outdoor control board,
IPM, rectifier and electrolyse
capacitor
Replace the trouble unit
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