Desa VV36PA1 SERIES Owner's Operation And Installation Manual

111252-01BFor more information, visit www.desatech.comFor more information, visit www.desatech.com30OBSERVED PROBLEMBurner does not light after pilot is litDelayed ignition burnerBurner backfiring during combustionSlight smoke or odor during initial operationHeater produces a whistling noise whenburner is litGlass sootsFireplace produces a clicking/ticking noisejust after burners are lit or shut offRemote does not functionREMEDY1. Clean burner (see Cleaning and Mainte-nance, page 28) or replace burner orifice2. Contact local propane/LP or natural gascompany3. Reconnect leads4. Replace thermopile1. Contact local propane/LP or natural gascompany2. Clean burner (see Cleaning and Main-tenance, page 28) or replace burner orifice1. Clean burner (see Cleaning and Mainte-nance, page 28) or replace burner orifice2. Replace damaged burner3. Replace gas control1. Problem will stop after a few hours ofoperation1. Turn gas control knob to LO position andlet warm up for a minute2. Operate burner until air is removed fromline. Have gas line checked by local pro-pane/LP or natural gas company3. Clean burner (see Cleaning and Mainte-nance, page 28) or replace burner orifice1. Adjust the log set so that the flame doesnot excessively impinge on it2. Inspect the opening at the base of theburner to see that it is NOT packed withany type of material1. This is common. If noise is excessive,contact qualified service person1. Replace 9-volt batteries in receiver andremote controlTROUBLESHOOTINGContinuedPOSSIBLE CAUSE1. Burner orifice clogged2. Inlet gas pressure is too low3. Thermopile leads disconnected or im-properly connected4. Thermopile is defective1. Manifold pressure is too low2. Burner porting or orifice clogged1. Burner orifice is clogged or damaged2. Damaged burner3. Gas regulator defective1. Residues from manufacturing processesand logs curing1. Turning gas control knob to HI positionwhen burner is cold2. Air in gas line3. Dirty or partially clogged burner orifice1. Flame impingement on logs2. Debris around burner air mixer1. Metal expanding while heating or con-tracting while cooling1. Battery is not installed or battery poweris lowTROUBLESHOOTING