Service manual

YES
YES
NO
NO
NO
YES
NG
OK
OK
OK
NG
OK
E
OK
OK
Only a small quantity of
water is dehumidified.
Is the operating environment
low humidity and low
temperature?
Dehumidication may not be
possible in low humidity and
low temperature environments.
Explain the performance
curve on P9.
Is there any dust on the room
temperature and humidity sensor?
Remove the dust from the room
temperature and humidity sensor.
Check if there is no disconnection or
contact failure of the connector
(
P10
)
and
connector pins of power control board.
Insert the connector and
connector pins securely.
Check the resistance of the room
temperature and humidity sensor.
(P10 connector)
Normal:Between the pin3 and pin4
NȍNȍ
Abnormal:Open or short
Replace the room temperature
and humidity sensor.
The unit is normal.
14