21
FU-40SE-TA
No.
8
9
10
11
Trouble
The clean sign is not
displayed properly.
The unit is often reset.
(The unit enters the
standby mode.)
The exhaust wind smells.
Dust is accumulated inside the dust sensor.
The suction opening is clogged.
The dust sensor is defective.
Improper wiring
The unit is used in the place with much
lampblack, such as kitchen.
The PWB is defective.
The PWB is defective.
The active carbon filter is life-expired.
Odour absorbed into the HEPA filter is
emitted.
Vacuum it off.
Clean the openings of the dust and
the odour sensor.
Replace it.
Repair or replace it.
Clean or replace the sensor.
Replace the PWB.
Replace the PWB.
Replace it.
The button on the remote
control dented.
Filter reset button is dented so that it may
not be pushed uncorrectly.
It is not failure.
Replace it.
Possible cause and symptom
Solution
