KDK FY-3009U1, Operation Instruction Manual, Page: 20 / 40

Trouble shooting guide
19
Condition 1st Possible reason 2nd Possible reason 3rd Possible reason
Can't operate. Check the voltage. Wiring is not correct. The remote control
don’t equip
with battery.
With large noise
or significant
vibration.
Installed not properly.
（
P8
～
P10
）
Poor separation
performance.
Not suitable model. Guide vane is not in
proper position.
（
P15
）
Product is installed
vertically.
Can’t operate. Wiring is not fixed. Double pole switch
became off.
Poor separation
performance.
Air inlet grille is
blocked.
With large noise
or significant
vibration.
Dust piles up in
impeller.
Any other substances
fell into the product.
Motor is abnormal.
Primary Period
During operation
Magnetic
switch doesn’t
work.
Any other magnetic
substances near to
gate magnetic switch.
（
P9
）
Wiring is not
properly connected.
Magnetic
switch doesn’t
work.
Wiring is not
properly connected.
Any other magnetic
substances near to gate
magnetic switch.
Firstly check the following items, if malfunction still can’t be solved, please
disconnect from supply mains and contact with distributor and repair shop.
Double pole switch
became off.
（
P9
）
（
P9
）