32Safety InstructionsOperating InstructionsCare and CleaningTroubleshooting TipsConsumer SupportBefore you call for service…Troubleshooting TipsProblem Possible Causes What To DoControl knobs Controls improperly set. • To turn from the OFF position, push the knob inwill not turn and then turn. The knob can only be turned in acounterclockwise direction. When the knob is at anyother position, it can be turned in either directionwithout being pushed in.Fan does not work The fan control knob is • Turn knob in clockwise direction to turn fan on.improperly set.Cord improperly connected • Check connections. Turn on power at the fuse box.or power turned off.Poor venting Clogged filter. • Clean filter per instructions.House too airtight. • Open a window slightly to provide fresh air source.Wall cap obstructed. • Remove blockage from exterior wall cap.Wall cap damper door stuck. • Check exterior wall cap damper door for free movementor obstruction.Duct length exceeds • Reduce number of elbows to simplify duct run.recommended 100equivalent foot maximum.Scratches (may appear Incorrect cleaning • Scratches are not removable. Tiny scratches will becomeas cracks) on cooktop methods being used. less visible in time as a result of cleaning.glass surface Cookware with rough bottoms • To avoid scratches, use the recommended cleaningbeing used or coarse particles procedures. Make sure bottoms of cookware are clean(salt or sand) were between before use, and use cookware with smooth bottoms.the cookware and the surfaceof the cooktop.Cookware has been slidacross the cooktop surface.Areas of discoloration Food spillovers not cleaned • See the Cleaning the glass cooktop section.on the cooktop before next use.Hot surface on a model • This is normal. The surface may appear discoloredwith a light colored cooktop. when it is hot. This is temporary and will disappearas the glass cools.Plastic melted to Hot cooktop came into • See the Glass surface—potential for permanent damagethe surface contact with plastic placed section in the Cleaning the glass cooktop section.on the hot cooktop.Pitting (or indentation) Hot sugar mixture spilled • Call a qualified technician for replacement.of the cooktop on the cooktop.