Kobe Range Hoods CH7930SQB, CH7936SQB, CH7942SQB Trouble Shooting, Issue, Possible Cause, Solution

TROUBLE SHOOTING

Issue	Possible Cause	Solution
After Installation,	The power is not on.	Make sure the circuit breaker and the unit’s power is
both motors and		ON. Use a voltage meter to check the power supply.
lights are not	The wire connection is not secure.	Check and tighten wire connection.
working.	The control panel and processor board	Check wire continuity from control panel to processor
	wiring are disconnected.	board.
	The motor transformer is defective.	Check the power input and power output on the
		motor transformer.
		If it’s needed, replace the motor transformer.
	The control panel and processor board is	Replace the control panel or processor board.
	defective.
Lights are	The motor(s) is defective.	Replace the motor.
working, but	The capacitor(s) is defective.	Replace capacitor(s).
motor(s) is not.	The control panel or processor board is	Replace the control panel or processing board.
	defective.
The range hood	The blower system is not secure.	Tighten the turbine impeller/squirrel cage and air
is vibrating.		chamber.
	The turbine impeller/squirrel cage is not	Replace the turbine impeller/squirrel cage.
	balanced.
	Hood is not secured in place.	Check the installation of hood, tighten the mounting
		bracket.
The motor is	Halogen Light bulb(s) is defective.	Try placing the trouble light bulb(s) to a working
working, but the		socket, if the bulb(s) still doesn’t work; replace the
lights are not		halogen light bulb(s).
working.	The light wiring(s) is loose.	Check wire continuity from processor board to light
		transformer to halogen light housing(s).
	Light transformer is defective.	Check power input and power output on the light
		transformer. If it’s needed, replace the light
		transformer.
	The control panel or processor board is	Replace the control panel or processing board.
	defective.
The range hood	The range hood is installed outside of the	Adjust the clearance between the range hoods and
is not venting	manufacture recommended clearance.	cook top to 27” to 30”. For Island range hood, the
out correctly.		clearance between the range hoods and cook top is
		30” to 36”.
	There is no make-up air inside the house.	Open the window to enhance the performance of the
		range hood by creating a sufficient make-up air.
	Obstacle blocking the pipe work.	Remove all obstacles from the duct work.
	The pipe size is smaller than the suggested	Change the ducting according to the manufacture
	pipe size.	suggestion.
Cold air is	The pipe connection is not properly sealed.	Check the pipe installation.
coming into the
home.	The damper is not properly installed or is	Check the damper installation.
	missing from the installation.
	The damper is not installed.	By installing the damper, it will help to eliminate air
		backflow.

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