Zephyr ZSAM90C オーナーマニュアル

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 switch board or control board is defective.

4.  Change the switch board or control board.

Light works, but 
blower is not 
turning.

1.   The blower cable is disconnected.

1.   Check all wiring from the blower to be sure all 

cables are connected properly.

2.  The blower is defective, possibly seized.

2.  Change the blower.

3.  The thermally protected system detects if the 

blower is too hot to operate and shuts the blower 
down.

3.  The blower will function properly after the 

thermally protected system cool down.

4.  Damaged capacitor.

4.  Change the capacitor.

5.  The switch board or control board is defective.

5.  Change the switch board or control board.

The unit is 
vibrating.

1.  The blower is not secured in place.

1.  Tighten the blower in place.

2.  Damaged blower wheel.

2.  Replace the blower.

3.  The hood is not secured in place.

3.  Check the installation of the hood.

The blower is 
working, but the 
lights are not.

1.   The light socket connector is loose or 

disconnected.

1.   Check the light socket connector to be sure it 

is pluged in properly.

2.  Defective halogen bulb.

2.  Change the halogen bulb.

3.  The light bulb is loose.

3.  Tighten the light bulb.

The speed levels 
sound the same.

1.   Using the wong size of ducting.

1.   Change the duct pipe size to at least 6” round 

or higher. 

The unit turns on 
by itself. 

1.   A spot light or kitchen lamp is shining directly 

onto the switch controls. 

1.   The switch controls are light sensative. A 

direct light source onto the switch controls 
may disrupt switch functions. 

The unit is 
whistling.

1.   The duct pipe connections are not sealed or 

connected properly.

1.   Check the duct pipe connections to be sure all 

connections are sealed 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 34” 
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 

the outside wind fl ow.

3.  Blockage in the duct opening or ductwork.

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 at least 6” or higher.

Mesh Filter is 
vibrating.

1.  Mesh fi lter is loose.

1.  Change the mesh fi lter.

2.   Filter spring clip is loose or broken.

2.   Uninstall and reinstall fi lter, push up on fi lter 

latch. Replace mesh fi lter if needed.