manual
14
www.zephyronline.com
TROUBLESHOOTING PROCEDURES
Issue Cause What to do
After installation,
the unit doesn’t
work.
1. The power source is not turned ON. 1. Makesurethecircuitbreakerandtheunit’s
power is ON.
2. Thepowerlineandthecablelockingconnector
is not connecting properly.
2. Checkthepowerconnectionwiththeunitis
connected properly.
3. The switch board and control board wirings are
disconnected.
3. Makesurethewiringsbetweentheswitch
board and control board are connected
properly.
4. The wires on control board are loose. 4. Makesurethewiresonthecontrolboardare
connected properly.
5. The switch board or control board is defective. 5. Change the switch board or control board.
Lightworks,but
the blower is not
turning.
1. The blower is defective, possible seized. 1. Change the blower.
2. The thermally protected system detects if the
blower is too hot to operate and shuts the blower
down.
2. The blower will function properly after the
thermally protected system cool down.
3. Damaged capacitor. 3. Change the capacitor.
4. The blower wire is not connected. 4. Makesuretheblowerwireispluggedintothe
molex connector.
The unit is
vibrating.
1. The blower is not secure in place. 1. Tighten the blower in place.
2. Damaged blower wheel. 2. Change the blower.
3. The hood is not secured in place. 3. Checktheinstallationofthehood.
The blower is
working,butthe
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 light bulb plug is disconnected. 3. Checkthelightbulbplugconnection.
The hood is
not venting out
properly.
1. The hood might be hanging to high from the
cooktop.
1. Adjustthedistancebetweenthecooktopand
the bottom of the hood within 24” and 34”
range.
2. The wind from the opened windows or opened
doorsinthesurroundingareaareaectingthe
ventilation of the hood.
2. Close all the windows and doors to eliminate
theoutsidewindow.
3. Blockageintheductopeningorductwork. 3. Removealltheblockingfromtheductworkor
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.
Metallteris
vibrating.
1. Metallterisloose. 1. Changethemetallter.
2. Springclipisbroken. 2. Change the spring clip.
The blower turns
on by itself.
1. The clean air function has been enabled turning
the blower on every 4 hours.
1. Disable the clean air function by following the
steps on page 11.
Troubleshooting