Desa EFS33NRA Owner's Operation And Installation Manual

Also see for EFS33NR: OWNER'S OPERATION AND INSTALLATION MANUAL

Contents

www.desatech.com107172-01K 27OBSERVED 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 offPOSSIBLE 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 heat-ing or contracting whilecoolingREMEDY1. Refer to Air for Combustionand Ventilation requirements(page 6)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 10)4. Clean burners (see Cleaningand Maintenance, page 23) 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 dirtand debris. If found, cleanburner(s) (see Cleaning andMaintenance, page 23)2. Replace gas regulator1. This is common with mostheaters. If noise is excessive,contact qualified service per-sonTROUBLESHOOTINGContinued