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TROUBLESHOOTING PROCEDURES FOR ZSA
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 blower is
1. The light socket connector is loose or
working, but the
disconnected.
lights are not.
2. Defective halogen bulb.
3. The light bulb is loose.
The speed levels
1. Using the wong size of ducting.
sound the same.
The unit turns on
1. A spot light or kitchen lamp is shining directly
by itself.
onto the switch controls.
The unit is
1. The duct pipe connections are not sealed or
whistling.
connected properly.
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
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 the switch board or control board.
1. Tighten the blower in place.
2. Replace the blower.
3. Check the installation of the hood.
1. Check the light socket connector to be sure it
is pluged in properly.
2. Change the halogen bulb.
3. Tighten the light bulb.
1. Change the duct pipe size to at least 6" round
or higher.
1. The switch controls are light sensative. A
direct light source onto the switch controls
may disrupt switch functions.
1. Check the duct pipe connections to be sure all
connections are sealed properly.
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
3. Remove all the blocking from the duct work or
duct opening.
5. Change the ducting to at least 6" or higher.
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