Desa RFN30TA Operation And Installation Manual

Also see for Comfort Glow RFN30TA: OWNER'S OPERATION AND INSTALLATION MANUAL OWNER'S OPERATION AND INSTALLATION MANUAL

Contents

www.desatech.com109889-01B 21TROUBLESHOOTINGContinuedOBSERVED PROBLEMBurner does not light after ODS/pilot is litDelayed ignition of burnerBurner backfiring duringcombustionYellow flame during burnercombustionSlight smoke or odor during initialoperationHeater produces a whistling noisewhen burner is litWhite powder residue formingwithin burner box or on adjacentwalls or furniturePOSSIBLE CAUSE1. Burner orifice is clogged2. Burner orifice diameter is toosmall3. Inlet gas pressure is too low1. Manifold pressure is too low2. Burner orifice is clogged1. Burner orifice is clogged ordamaged2. Burner damaged3. Gas regulator defective1. Not enough air2. Gas regulator defective1. Residues from manufacturingprocesses1. Turning control knob to HIposition when burner is cold2. Air in gas line3. Air passageways on heaterblocked4. Dirty or partially cloggedburner orifice1. When heated, vapors fromfurniture polish, wax, carpetcleaners, etc. turn into whitepowder residueREMEDY1. Clean burner (see Cleaningand Maintenance, page 19) orreplace burner orifice2. Replace burner orifice3. Contact local natural gascompany1. Contact local natural gascompany2. Clean burner (see Cleaningand Maintenance, page 19) orreplace burner orifice1. Clean burner (see Cleaningand Maintenance, page 19) orreplace burner orifice2. Replace burner3. Replace gas regulator1. Check burner for dirt anddebris. If found, clean burner(see Cleaning and Mainte-nance, page 19)2. Replace gas regulator1. Problem will stop after a fewhours of operation1. Turn control knob to LO positionand let warm up for a minute2. Operate burner until air isremoved from line. Have gasline checked by local naturalgas company3. Observe minimum installationclearances (see Figure 9, page 10)4. Clean burner (see Cleaningand Maintenance, page 19) orreplace burner orifice1. Turn heater off when usingfurniture polish, wax, carpetcleaners or similar products