Desa Vanguard VMH26TPC Owner's Operation And Installation Manual

Also see for Vanguard VMH26TNC: OWNER'S OPERATION AND INSTALLATION MANUAL

Contents

Desa Vanguard VMH26TPC Owner's Operation And Installation Manual Manual pdf 23 page image

www.desatech.com113111-01D 23TROUBLESHOOTINGWARNING: Turn off heater and let cool before servicing. Only aqualified 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 CAUSE1. Ignitor cable pinched or wet2. Ignitor electrode not con-nected to ignitor cable3. Broken ignitor cable4. Bad piezo ignitor5. Ignitor electrode broken6. Ignitor electrode positionedwrong1. Gas supply turned off or equip-ment shutoff valve closed2. Control knob not in PILOTposition3. Control knob not pressed inwhile in PILOT position4. Air in gas lines when in-stalled5. Depleted gas supply (propane/LP only)6. ODS/pilot is clogged7. Gas regulator setting is notcorrectREMEDY1. Free ignitor cable if pinchedby any metal or tubing. Keepignitor cable dry2. Reconnect ignitor cable3. Replace ignitor cable4. Replace piezo ignitor5. Replace pilot assembly6. Replace pilot assembly1. 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 Clean-ing and Maintenance, page22) or replace ODS/pilot as-sembly7. Replace gas regulatorOBSERVED PROBLEMWhen ignitor button is pressed,there is no spark at ODS/pilotWhen ignitor button is pressed,there is spark at ODS/pilot butno ignition