Desa M36B Owners Manual And Installation Manual

Also see for M36B: OWNER'S OPERATION AND INSTALLATION MANUAL Owner's operating and installation manual OWNER'S OPERATION AND INSTALLATION MANUAL OWNER'S OPERATION AND INSTALLATION MANUAL

Contents

Desa M36B Owners Manual And Installation Manual Manual pdf 23 page image

www.desatech.com108795-01V 23troubleshootINGNote: Before troubleshooting the system, make sure the gas shutoff valve is ON. The twomost common causes of a malfunctioning gas appliance are:1. Loose wiring connections2. Construction debris clogging pilot and/or gas control valve filterOBSERVED PROBLEMPilot will not lightPilot will not stay litNo gas to burner, although wallswitch and valve are set to theON positionFrequent pilot outagePOSSIBLE CAUSE1. No gas supply or shutoffvalve is OFF2. Air in gas line3. Construction debris clog-ging pilot orifice4. Low gas pressure5. Control valve knob is not onthe PILOT position6. Kinked pilot line7. Bad valve8. Vent damper not fullyopen1. Loose wiring on thermopileto regulator valve. No mil-livolt current is being sentback to regulator2. If valve knob and wallswitch are in the ON posi-tion, probable defectiveregulator valve3. Vent damper not fullyopen1. Wall switch wires defectiveor too long2. Thermopile not generatingsufficient voltage1. Pilot flame may be too low,causing safety pilot to “dropout”2. Improper venting or exces-sive blockageREMEDY1. Check to see if you havegas supply2. Hold regulator control valvein the PILOT position for 2to 3 minutes to purge air. Ifyou smell gas stop and waitfor a few minutes beforetrying to light fireplace3. Remove debris and dirt,inspect and clean any otherpossible obstructions4. Contact your gas supplier5. Refer to section on pilotlighting6. Have a qualified technicianreplace pilot line7. Replace regulator valve (seeAccessories, page 31)8. Open vent damper until fullylocked in OPEN position1. Check wiring connections.Refer to wiring diagramshown in Wall Switch Instal-lation, page 112. Have a qualified technicianreplace valve3. Open vent damper until fullylocked in OPEN position1. Check electrical connec-tions2. See Pilot will not stay lit,above1. Clean and adjust pilot flamefor maximum flame im-pingement on thermopile2. Have vent system inspect-ed, including terminationcap. Remove any restric-tion or obstruction