SFA 7000
16
FREQUENTLY ASKED QUESTIONS
If your fan is not working properly, please check the followings (1-4 for HUMIDITY function) before
sending to service agent:
Questions
Answers
Solution(s)
1. Why is there no
indicator light on, no
HUMIDITY and no wind
from exhaust fan?
a. Power cord plug is not
connected properly and electric
power is off.
b. HUMIDITY switch is off.
a. Ensure that the power cord plug
is fully inserted into the electrical
outlet and turn on the electric
power.
b. Turn on the HUMIDITY switch.
2.
The
ultrasonic
transducer
is
working
properly but how come
there is no HUMIDITY
spray?
a. Water tank is broken or with
crack, so flume is full of water.
b. Exhaust fan is not working.
a. Pour out the water from flume,
change a new water tank.
b. Change a new exhaust fan.
3. Why is there no
HUMIDITY even though
the indicator light is on
and
exhaust
fan
is
working?
a. No water or water level is not
enough.
b. Bobber doesn’t float in the
water.
c. Ultrasonic transducer surface
was furred up.
d. Clamp plate of water level
switch is not firmly.
e. Ultrasonic transducer is
damaged.
a. Add water.
b. Pull out the bobber and let it
float out.
c. Clean ultrasonic transducer with
detergent supplied together with
product.
d. Reinstall clamp plate of water
level switch.
e.
Change
the
ultrasonic
transducer.
4. Why is there a peculiar
smell of HUMIDITY?
a. Peculiar smell of new product
will disappear after a period of
using.
b. Dirty water or water storage
time is too long.
a. Take out the tank and open tank
cover, and put it to a ventilated
and dry place.
b. Clean water tank and flume and
change the clean water.
5. Why is not the fan
operating?
a. The plug inserted may be
lacking electricity or fuses may
have gone off.
b. PCB is damaged.
a. Make sure the plug works and
check your fuses.
b. Change the PCB.
6. Vibrating Obviously.
a. The rear guard is not
installed tightly.
b. The blade cap is loosened.
c. The blade is damaged.
d. The blade is imbalance.
a. Install the rear guard tightly.
b. Tighten the blade cap.
c. Change a new fan blade.
d. Turn the fan blade 180° and
then reinstall blade.
7. Other unusual problem.
a. Motor appeared smoke or a
smell of burnt.
b. Exposed metal parts with
electric or the fan insulation is
damaged.
c. The rear cover of motor is
damaged.
a.b.c. Stop using and send to
service agent for repair.
