Desa HDVF3018N Owner's Operation And Installation Manual

Also see for HDVF3018N: OWNER'S OPERATION AND INSTALLATION MANUAL

Contents

Desa HDVF3018N Owner's Operation And Installation Manual Manual pdf 21 page image

www.desatech.com119421-01A 21TROUbLESHOOTINGWARNING: 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 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 positioned wrong1. 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 notcorrect1. Control knob not fully pressed in2. Control knob not pressed inlong enough3. Equipment shutoff valve notfully open4. Pilot flame not touching ther-mocouple, which allows ther-mocouple to cool, causingpilot flame to go out. Thisproblem could be caused byone or both of the following:A) Low gas pressureB) Dirty or partially cloggedODS/pilot5. Thermocouple connectionloose at control valve6. Thermocouple damaged7. Control valve damagedREMEDY1. Reconnect ignitor cable2. Free ignitor cable if pinchedby any metal or tubing. Keepignitor cable dry3. Tighten nut holding piezo ignitorto base panel of log set. Nut islocated behind base panel4. Replace ignitor cable5. Replace piezo ignitor6. Replace pilot assembly7. 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 Cleaningand Maintenance, page 19) orreplace ODS/pilot assembly7. Replace gas regulator1. Press in control knob fully2. After ODS/pilot lights, keep con-trol knob pressed in 30 seconds3. Fully open equipment shutoffvalve4. A) Contact local propane/LPor natural gas companyB) Clean ODS/pilot (seeCleaning and Maintenance,page 19) or replace ODS/pilotassembly5. Hand tighten until snug, thentighten 1/4 turn more6. Replace pilot assembly7. Replace control valveOBSERVED pROBLEMWhen ignitor button is pressed,there is no spark at ODS/pilotWhen ignitor button is pressed,there is spark at ODS/pilot butno ignitionODS/pilot lights but flamegoes out when control knob isreleased