Desa VVSR18 Owner's Operation And Installation Manual

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Contents

Desa VVSR18 Owner's Operation And Installation Manual Manual pdf 16 page image

www.desatech.com 901265-01P16TROUBLESHOOTINGWARNING: Turn off log set and let cool before servicing. Only aqualified service person should service and repair log set.Note: All troubleshooting items are listed in order of operation.POSSIBLE CAUSE1. Poor fuel quality2. Fireplace venting system notdrafting properly3. Excessive flame impingementor blockage4. Improper fuel/air mixture5. Excessive gas supply/pressure1. Passage of air/gas across ir-regular surfaces1. Incorrect gas supply orpressure2. Blocked burner orifice orburner manifold ports3. Improper burner orifice size1. Ignitor electrode not con-nected to ignitor cable2. Ignitor cable pinched or wet3. Bad ground on piezo ignitor4. Broken ignitor cable5. Bad piezo ignitor6. Ignitor electrode broken7. Ignitor electrode positionedwrongREMEDY1. Contact local natural or pro-pane/LP gas company2. Adjust damper wide openand/or have fireplace and vent-ing professionally cleaned andchecked3. Separate the logs to allow moreflame passage4. Remove any foreign items fromthe flame pattern and/or checkfor proper orifice sizing5. Preheat flue in very coldweather1. Relieve any tight bends orkinks in gas supply line1. Check for proper gas supplypressure2. Free burner orifice and mani-fold ports of any burrs, paint,or other blockage3. Verify proper burner orificesizing (see Figure 2, page 6)1. Reconnect ignitor cable2. Free ignitor cable if pinchedby any metal or tubing. Keepignitor cable dry3. Scrape away paint on bracketfor better contact with groundon piezo ignitor4. Replace ignitor cable5. Replace piezo ignitor6. Replace electrode7. Reposition electrodeOBSERVED PROBLEMLog set is smoking/sootingexcessively(Note: It is natural and unavoid-able for vented gas log sets toproduce moderate levels of carbon(soot) where flames contact thelogs. This is especially true withpropane/LP gas.)Burner is excessively noisy(Note: The movement and com-bustion of gas will create low,unavoidable levels of noise.)Burner flame is too low or toohighWhen ignitor button is pressed,there is no spark at pilot (GA9050AOnly)

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