12 Troubleshooting; Before Calling For Service - LG HCED3015S Manuel Du Propriétaire

12 TROUBLESHOOTING

TROUBLEShOOTINg

Before Calling for Service

Symptoms
After installation, the
unit doesn't work.
Lights work, but
blower is not turning.
The unit is vibrating.
The blower is working,
but the lights are not.
The speed levels of
the blower sound the
same.
The hood is not
venting out properly.
Mesh filter is
vibrating.
The unit turns on by
itself.
Possible Causes / Solutions
• The power source is not turned ON.
- Make sure the circuit breaker and the unit's power is ON.
• The power cord and the cable locking connector are not connected properly.
- Make sure the power cord is properly connected to the unit.
• The thermally protected system detects if the blower is too hot to operate and
shuts the blower down.
- The blower will function properly after the thermally protected system cools
down.
• The blower is not securely in place.
- Tighten the screws holding the blower in place.
• Damaged blower wheel.
- Call for service.
• The hood is not secured in place.
- Check the installation of the hood.
• Call for service.
• Using the wrong size of ducting.
- Change the ducting to at least 8" round or 3-1/4" x 10" rectangular for single
blower or 10" round for dual blower.
• The hood might be hanging too far above the cook top.
- Adjust the distance between the cook top and the bottom of the hood to within
26" to 36".
• The wind from the opened windows or opened doors in the surrounding area are
affecting the ventilation of the hood.
- Close all windows and doors to eliminate the outside wind flow.
• Blockage in the duct opening or duct work.
- Clear any blockages from the duct work or duct opening.
• The direction of duct opening is against the wind.
- Adjust the duct opening direction.
• Using the wrong size of ducting.
- Change the ducting to correct size.
• Mesh filter is loose.
- Change the metal filter.
• A spot light or kitchen lamp is shining directly onto the switch controls.
- The switch controls are light sensitive. A light source aimed directly at the
switch controls may disrupt switch functions.