Desa VN20BT Safety Information And Installation Manual

Contents

Desa VN20BT Safety Information And Installation Manual Manual pdf 18 page image

www.desatech.com 107886-01J18TROUBLESHOOTINGWARNING: Turn off and unplug heater and let cool before servicing.Only a 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 CAUSE1. Ignitor electrode positionedwrong2. Ignitor electrode broken3. Ignitor electrode not con-nected to ignitor cable4. Ignitor cable pinched or wet5. Broken ignitor cable6. Bad piezo ignitor1. 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 gas only)6. ODS/pilot is clogged7. Gas regulator setting is notcorrectOBSERVED PROBLEMWhen ignitor button is pressed,there is no spark at ODS/pilotWhen ignitor button is pressed,there is spark at ODS/pilot butno ignitionREMEDY1. Replace pilot assembly2. Replace pilot assembly3. Reconnect ignitor cable4. Free ignitor cable if pinchedby any metal or tubing. Keepignitor cable dry5. Replace ignitor cable6. Replace piezo ignitor1. 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, page16) or replace ODS/pilot as-sembly7. Replace gas regulator