Desa HL18N Owners Manual And Installation Manual

Contents

Desa HL18N Owners Manual And Installation Manual Manual pdf 20 page image

www.desatech.com 122136-01C20TROUbLESHOOTINGWARNING: 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 not con-nected to ignitor cable2. Ignitor cable pinched orwet3. Broken ignitor cable4. Bad piezo ignitor5. Ignitor electrode broken6. Ignitor electrode positionedwrong1. 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 notcorrectOBSERVED PROBLEMWhen control knob is pressedin and turned to PILOT, thereis not spark at ODS/pilotWhen control knob is pressedin and turned to PILOT, thereis spark at ODS/pilot but noignitionREMEDY1. Reconnect ignitor cable2. Free ignitor cable if pinchedby any metal or tubing.Keep ignitor cable dry3. Replace valve4. Replace valve5. Replace valve6. Replace valve1. Turn on gas supply or openequipment shutoff valve2. Turn control knob to PILOTposition3. Press in control knob whilein PILOT position4. Continue holding downcontrol knob. Repeat ignit-ing operation until air isremoved5. Contact local propane/LPgas company6. C l e a n O D S / p i l o t ( s e eCleaning and Maintenance,page 18) or replace ODS/pilot assembly7. Replace gas regulator