www.desatech.com116236-01E 31INSPECTING bURNERSContinuedBURNER FLAME PATTERNBurner flames will be steady; not lifting or floating.Flame patterns will be different from unit to unitand will vary depending on installation type andweather conditions.If the vent configuration is installed incorrectly,the flames will lift or "ghost". This can be danger-ous. Inspect the flames after installation to ensureproper installation and performance.Figure 49 shows a typical flame pattern.If burner flame pattern differs from that de-scribed:• turn fireplace off (see To Turn Off Gas to Ap-pliance, page 28)• see Troubleshooting, page 33Figure 49 - Typical Flame PatternCLEANING ANDMAINTENANCEWARNING: Turn off fireplaceand let cool before cleaning.CAUTION: You must keep con-trol areas, burners and circulatingair passageways of fireplace clean.Inspect these areas of fireplacebefore each use. Have fireplaceinspected yearly by a qualifiedservice person. Fireplace mayneed more frequent cleaning dueto excessive lint from carpeting,bedding material, pet hair, etc.GLASS DOORWARNING: Handle glass doorpanel with care. Do not strike, slamor otherwise abuse glass. Do notoperate fireplace with the glassdoor unlatched, removed, crackedor broken.WARNING: Do not use abra-sive cleaners as this may damageglass. Use a nonabrasive house-hold glass cleaner to clean glass.Do not clean glass when hot.Glass must be cleaned periodically. During start-upit is normal for condensation to form on the insideof the glass causing lint, dust and other airborneparticles to cling to the glass surface. During initialstart-up a slight film may form on the glass due topaint curing. The glass should be cleaned severaltimes with a non-ammonia, nonabrasive householdcleaner and warm water after the first two weeks ofoperation. Thereafter, clean the glass two or threetimes during each heating season, depending on theusage and circumstances present. Refer to Remov-ing/Replacing Glass Door, page 25 of this manualwhen removing glass door for cleaning.WARNING: Only parts sup-plied by the manufacturer shouldbe used when replacing brokenor damaged glass door panel(see Replacement Parts, page37). This glass door panel isa complete unit. No substitutematerials may be used.CAUTION: Wear gloves andsafety glasses while handlingor removing broken glass. Donot remove if glass is hot. Keepchildren and pets away fromglass.If glass has been broken, carefully remove glassdoor (see Removing/Replacing Glass Door, page25). Vacuum all glass pieces with a shop vac.