Desa EFS33PRB Owner's Operation And Installation Manual

Also see for EFS33NRB: OWNER'S OPERATION AND INSTALLATION MANUAL

www.desatech.com113132-01B 25OBSERVED PROBLEMMoisture/condensation noticedon windowsHeater produces a whistling noisewhen burners are litWhite powder residue formingwithin burner box or on adjacentwalls or furnitureRemote does not function(GHRCB and GHRCTB only)Yellow flame in front burner dur-ing burner combustionFireplace produces a clicking/ticking noise just after burner islit or shut offDark residue on logs inside oftheir fireplace Note: After remov-ing all causes of residue deposits,completely clean fireplace andappliance off residue before reus-ing applianceREMEDY1. Refer to Air for Combustionand Ventilation requirements(page 5)1. Turn control knob to LO positionand let warm up for a minute2. Operate burners until air isremoved from line. Have gasline checked by local naturalor propane/LP gas company3. Observe minimum installationclearances (see page 9)4. Clean burners (see Cleaningand Maintenance, page 21) orreplace burner orifice(s)1. Turn heater off when usingfurniture polish, wax, carpetcleaners, or similar products1. Replace 9-volt batteries inreceiver and remote control1. Check burner(s) for dirt anddebris. If found, clean burner(s)(see Cleaning and Mainte-nance, page 21)2. Replace gas regulator1. This is common with most heat-ers. If noise is excessive, contactqualified service person1. Properly locate logs (see In-stalling Logs, page 16)2. Eliminate source of draftsaround heater3. Clean out air holes at burnerinlet. Periodically repeat asneeded4. Remove blockagePOSSIBLE CAUSE1. Not enough combustion/ven-tilation air1. Turning control knob to HI po-sition when burners are cold2. Air in gas line3. Air passageways on heaterblocked4. Dirty or partially cloggedburner orifice(s)1. When heated, vapors fromfurniture polish, wax, carpetcleaners, etc. may turn intowhite powder residue1. Battery is not installed. Bat-tery power is low1. Not enough air2. Gas regulator defective1. Metal expanding while heatingor contracting while cooling1. Improper log placement2. Drafts or other air currentsaffecting flame pattern3. Air holes at burner inletblocked4. Burner flame holes blockedTROUBLESHOOTINGContinued