Desa Firewerks VTDMV18NA Owner's Operation And Installation Manual

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Desa Firewerks VTDMV18NA Owner's Operation And Installation Manual Manual pdf 13 page image

www.desatech.com114926-01B 13TROUBLESHOOTINGWARNING: Turn off appliance and let cool before servicing. Onlya qualified service person should service and repair heater.CAUTION: Never use a wire, needle or similar object to cleanODS/pilot. This can damage ODS pilot unit.Note: All troubleshooting items are listed in order of operation.POSSIBLE CAUSE REMEDYOBSERVED PROBLEM1. Ignitor electrode not con-nected to ignitor cable2. Ignitor cable pinched orwet3. Broken ignitor cable5. Bad piezo ignitor6. Ignitor electrode positionedwrong or broken1. Gas supply turned off orequipment shutoff valveclosed2. Control knob not in PILOTposition3. Control knob not pressed inwhile in PILOT position4. Air in gas lines when in-stalled5. Depleted gas supply (pro-pane/LP only)6. ODS/pilot is clogged7. Gas regulator setting is in-correctWhen ignitor button is pressed,there is no spark at ODS/pilotWhen ignitor button is pressedin there is spark at ODS/pilotbut no ignition1. Reconnect ignitor cable2. Free ignitor cable if pinchedby any metal or tubing. Keepignitor dry3. Replace ignitor cable4. Replace piezo ignitor5. Replace pilot assembly forremote-ready units; replaceignitor electrode for variablemanually controlled units1. Turn on gas supply or openequipment shutoff valve2. Turn control knob to PILOTposition3. Press in control knob while inPILOT position4. Continue holding down con-trol knob. Repeat igniting op-eration until air is removed5. Contact local propane/LP gascompany6. Clean ODS/pilot (see Cleaningand Maintenance, page 12) orreplace ODS/pilot assembly7. Replace gas regulator