Desa Vanguard VN2000BTC Owner's Operation And Installation Manual

Contents

23103874ContinuedREMEDY1. Turn on gas supply oropen manual shutoffvalve2. Turn control knob toPILOT position3. Press in control knobwhile in PILOTposition4. Continue holding downcontrol knob. Repeatigniting operation untilair is removed5. Clean ODS/pilot (seeCleaning and Mainte-nance, page 22) orreplace ODS/pilotassembly6. Replace gas regulator1. Press in control knobfully2. After ODS/pilot lights,keep control knobpressed in 30 seconds3. Wait one minute forsafety interlock systemto reset. Repeatignition operation4. Fully open manualshut-off valve5. Hand tighten untilsnug, then tighten 1/4turn more6. A) Contact localnatural gas companyB) Clean ODS/pilot(see Cleaning andMaintenance, page22) or replace ODS/pilot assembly7. Replace thermocouple8. Replace control valveOBSERVEDPROBLEMWhen ignitor buttonis pressed, there isspark at ODS/pilotbut no ignitionODS/pilot lights butflame goes out whencontrol knob isreleasedPOSSIBLECAUSE1. Gas supply turned offor manual shutoffvalve closed2. Control knob not inPILOT position3. Control knob notpressed in while inPILOT position4. Air in gas lines wheninstalled5. ODS/pilot is clogged6. Gas regulator setting isnot correct1. Control knob not fullypressed in2. Control knob notpressed in long enough3. Safety interlock systemhas been triggered4. Manual shutoff valvenot fully open5. Thermocouple connec-tion loose at controlvalve6. Pilot flame not touch-ing thermocouple,which allows thermo-couple to cool, causingpilot flame to go out.This problem could becaused by one or bothof the following:A) Low gas pressureB) Dirty or partiallyclogged ODS/pilot7. Thermocouple dam-aged8. Control valve damagedTROUBLE-SHOOTINGContinued