Zephyr AK7842ASX, AK7848ASX Troubleshooting Procedures for Cypress, Issue Cause What to do

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Troubleshooting

TROUBLESHOOTING PROCEDURES FOR CYPRESS

Issue	Cause		What to do
After installation,	1.	The power source is not turned ON.	1.	Make sure the circuit breaker and the unit’s
the unit doesn’t				power is ON.
work.
	2.	The power line and the cable locking connector	2.	Check the power connection with the unit is
		is not connecting properly.		connected properly.
	3.	The switch board and control board wirings are	3.	Make sure the wirings between the switch
		disconnected.		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,	1.	The motor is defective, possible seized.	1.	Change the motor.
but motor is not
	2.	The thermally protected system detects if the	2.	The motor will function properly after the
turning.
		motor is too hot to operate and shuts the motor		thermally protected system cool down.
		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	1.	The motor is not secure in place.	1.	Tighten the motor in place.
vibrating.
	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	1.	Defective halogen bulb.	1.	Change the halogen bulb.
working, but the
	2.	The light bulb is loose.	2.	Tighten the light bulb.
lights are not.
	3.	The wires on the control board are loose.	3.	Make sure the wires on control board are
				connected properly.
The hood is	1.	The hood might be hanging to high from the	1.	Adjust the distance between the cook top and
not venting out		cook top.		the bottom of the hood within 26” and 36”
properly.				range.
	2.	The wind from the opened windows or opened	2.	Close all the windows and doors to eliminate
		doors in the surrounding area are affecting the		the outside wind flow.
		ventilation of the hood.
	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	1.	Toggle switch is not in the on position.	1.	Make sure the heat lamp power is ON.
working.
	2.	Heat lamp bulb is defective.	2.	Change the heat lamp bulb.
	3.	Heat lamp bulb is loose.	3.	Tighten the heat lamp bulb.
Metal filter is	1.	Metal filter is loose.	1.	Change the metal filter.
vibrating.
	2.	Spring clip is broken.	2.	Change the spring clip.

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