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6
.
T
R
O
U
B
6
.
T
R
O
U
B
Error code 33
Indoor temperature
sensor
Error code 34
Indoor Coil sensor
trouble
Error code 14
Outdoor temperature
sensor trouble
Error code 1
Outdoor coil sensor
trouble
Error code 2, 13
Compressor over heat
protection
Is
the
surface
of
compressor very hot?
No
Is
the
resistance
compressor
discharge
sensor correct?
Yes
Outdoor
control
board
faulty, replace it
L
E
S
H
O
O
T
I
N
G
L
E
S
H
O
O
T
I
N
G
Take
out
from
CN6
,Measure
the
resistance of thermistor
Take
out
from
CN3
,Meaure
the
resistance of thermistor
Does the unit exit hot
protector
Measure resistance
of
the
sensor
of
CN15(Yellow)
Measure resistance
of
the
sensor
of
CN14(Black)
Yes
Normal protecton
No
of
Replace it
Does the resistance
of thermistor have
the
characteristics
on part 6-3
Replace
thermistor
Does the resistance
of thermistor have
the characteristic on
part 6-3 (SENSOR
PARAMETER)
Replace the thermistor
Error code 6
Voltage of power supply is abnormal
Is the voltage of power
supply normal of AC
198~253V?
Outdoor IPM board fault,
replace it.
29
Yes
Replace
indoor pcb board
No
the
Yes
No
No
Yes
the
Replace
the
outdoor board
Normal
protection
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