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TROUBLESHOOTING PROCEDURES FOR ZAN
Issue
Cause
After installation,
1. The power source is not turned ON.
the unit doesn't
work.
2. The power line and the cable locking connector
is not connecting properly.
3. The switch board and control board wirings are
disconnected.
4. The switch board or control board is defective.
Light works, but
1. The blower cable is disconnected.
blower is not
turning.
2. The blower is defective, possibly seized.
3. The thermally protected system detects if the
blower is too hot to operate and shuts the blower
down.
4. Damaged capacitor.
5. The switch board or control board is defective.
The unit is
1. The blower is not secured in place.
vibrating.
2. Damaged blower wheel.
3. The hood is not secured in place.
The unit is
1. The fi lter is not in the correct position.
whistling.
2. The duct pipe connections are not sealed or
connected properly.
The speed levels
1. Using the wrong size of ducting.
of the blower
sound the same.
The unit turns on
1. A spot light or kitchen lamp is shining direclty
by itself.
onto the switch controls.
The blower is
1. Defective halogen bulb.
working, but the
2. The light socket connector is loose.
lights are not.
The hood is
1. The hood might be hanging to high from the
not venting out
cook top.
properly.
2. The wind from the opened windows or opened
doors in the surrounding area are affecting the
ventilation of the hood.
3. Blockage in the duct opening or ductwork.
4. The direction of duct opening is against the wind. 4. Adjust the duct opening direction.
5. Using the wrong size of ducting.
Mesh Filter is
1. Mesh fi lter is loose.
vibrating.
2. Filter spring clip is loose or broken.
What to do
1. Make sure the circuit breaker and the unit's
power is ON.
2. Check the power connection with the unit is
connected properly.
3. Make sure the wirings between the switch
board and control board are connected
properly.
4. Change the switch board or control board.
1. Check all wiring from the blower to be sure all
cables are connected properly.
2. Change the blower.
3. The blower will function properly after the
thermally protected system cool down.
4. Change the capacitor.
5. Change defective part.
1. Tighten the blower in place.
2. Replace the blower.
3. Check the installation of the hood.
1. Adjust the fi lters.
2. Check the duct pipe connections to be sure all
connections are sealed properly.
1. Change the duct size to at least 6" round or
higher and change the duct type to rigid metal
rather than fl exable.
1. The switch controls are light sensative. A
direct light source onto the switch controls
may disrupt switch functions.
1. Change the halogen bulb.
2. Check the light socket connector.
1. Adjust the distance between the cook top and
the bottom of the hood within 26" and 34"
range.
2. Close all the windows and doors to eliminate
the outside wind fl ow.
3. Remove all the blocking from the duct work or
duct opening.
5. Change the ducting to at least 6" or higher.
1. Change the mesh fi lter.
2. Uninstall and reinstall fi lter, push up on fi lter
latch. Replace mesh fi lter if needed.
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