T
roubleshooting
16
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TROUBLESHOOTING PROCEDURES FOR CYPRESS
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. The wires on control board are loose.
4. Make sure the wires on the control board are
connected 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 motor is defective, possible seized.
1. Change the motor.
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.
4. The motor wire is not connected.
4. Make sure the motor wire is plugged into the
molex connector.
The unit is
vibrating.
1. The motor is not secure in place.
1. Tighten the motor 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.
3. The wires on the control board are loose.
3. Make sure the wires on control board are
connected properly.
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 26” and 36”
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
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3. Blockage 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 correct size.
Heat lamp is not
working.
1. Toggle switch is not in the on position.
1. Make sure the heat lamp power is ON.
2. Heat lamp bulb is defective.
2. Change the heat lamp bulb.
3. Heat lamp bulb is loose.
3. Tighten the heat lamp bulb.
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vibrating.
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2. Spring clip is broken.
2. Change the spring clip.
Summary of Contents for Cypress AK7836ASX
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