Desa KC42N Series Owner's Operation And Installation Manual

www.desatech.com116239-01G 33TROUbLEShOOTINGWARNING: 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 cleanpilot. This can damage 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 or wet3. Piezo ignitor nut is loose4. Broken ignitor cable5. Bad piezo ignitor6. Ignitor electrode broken7. Ignitor electrode positionedwrong1. Gas supply turned off or equip-ment shutoff valve closed2. Gas control knob not in PI-LOT position3. Gas control knob not pressedin while in PILOT position4. Air in gas lines when in-stalled5. Depleted gas supply (propane/LP models only)6. Pilot is clogged7. Gas regulator setting is notcorrectREMEDY1. Reconnect ignitor cable2. Free ignitor cable if pinchedby any metal or tubing. Keepignitor cable dry3. Tighten nut holding piezoignitor. Nut is located behindthe mounting bracket4. Replace ignitor cable5. Replace piezo ignitor6. Replace pilot assembly7. Tighten electrode. Replace ifnecessary1. Turn on gas supply or openequipment shutoff valve2. Turn gas control knob to PILOTposition3. Press in gas control knob whilein PILOT position4. Continue holding down con-trol knob. Repeat ignitingoperation until air is removed5. Contact local propane/LP gascompany6. Clean pilot (see Cleaning andMaintenance, page 31) or re-place pilot assembly7. Replace gas regulatorOBSERVED PROBLEMWhen ignitor button is pressed,there is no spark at pilotWhen ignitor button is pressed,there is spark at pilot but noignition