Zephyr AK7100AS290 入門ガイド

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T
roubleshooting
17
TROUBLESHOOTING PROCEDURES FOR AK71
Issue
Cause
What to do
After installation, 
the unit doesn’t 
work.
1.  The power source is not turned ON.
1.  Make sure the circuit breaker and the unit’s 
power is ON.
2.  The power line and the cable locking connector is 
not connecting properly.
2.  Check the power connection with the unit is 
connected properly.
3.  The switch board and control board wirings are 
disconnected.
3.  Make sure the wirings between the switch 
board and control board are connected 
properly.
4.  On the switch board, Black/White wire or White 
wire is disconnected.
4.  Make sure the Black/White wire or White wire 
connects properly.
5.  The switch board or control board is defective.
5.  Change the switch board or control board.
Light works, 
but motor is not 
turning.
1.  The blower is defective, possible seized.
1.  Change the blower.
2.  The thermally protected system detects if the 
motor is too hot to operate and shuts the motor 
down.
2.  The motor will function properly after the 
thermally protected system cool down.
3.  Damaged capacitor.
3.  Change the capacitor.
The unit is 
vibrating.
1.  The blower is not secure in place.
1.  Tighten the blower in place.
2.  Damaged blower wheel.
2.  Change the blower.
3.  The hood is not secured in place.
3.  Check the installation of the hood.
The motor is 
working, but the 
lights are not.
1.  Defective halogen bulb.
1.  Change the halogen bulb.
2.  The light bulb is loose.
2.  Tighten the light bulb.
The hood is 
not venting out 
properly.
1.  The hood might be hanging to high from the cook 
top.
1.  Adjust the distance between the cook top and 
the bottom of the hood within 24” to 32” range.
2.  The wind from the opened windows or opened 
doors in the surrounding area are affecting the 
ventilation of the hood.
2.  Close all the windows and doors to eliminate 
the outside wind fl ow.
3.  Blocking in the duct opening or duct work.
3.  Remove all the blocking from the duct work or 
duct opening.
4.  The direction of duct opening is against the wind.
4.  Adjust the duct opening direction.
5.  Using the wrong size of ducting.
5.  Change the ducting to at least 7” or higher.
Metal fi lter is 
vibrating.
1.  Metal fi lter is loose.
1.  Verify spring clip is not broken.
2.  Spring clip is broken.
2.  Replace the metal fi lter.
1.  Metal fi lter is loose.
2.  Spring clip is broken.
1.  Verify spring clip is not broken.
2.  Replace the metal fi lter.
Metal fi lter is 
vibrating.