Desa RFN30TA Operation And Installation Manual

Also see for Comfort Glow RFN30TA: OWNER'S OPERATION AND INSTALLATION MANUAL OWNER'S OPERATION AND INSTALLATION MANUAL

Contents

www.desatech.com 109889-01B20TROUBLESHOOTINGWARNING: 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.OBSERVED 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 isreleasedPOSSIBLE CAUSE1. Ignitor cable pinched or wet2. Ignitor electrode not connectedto ignitor cable3. Piezo ignitor nut is loose4. Broken ignitor cable5. Ignitor electrode broken6. Bad piezo ignitor7. 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. A i r i n g a s l i n e s w h e ninstalled5. ODS/pilot is clogged6. Gas regulator setting is notcorrect1. Control knob not fully pressed in2. Control knob not pressed inlong enough3. Safety interlock system hasbeen triggered4. Equipment shutoff valve notfully open5. Thermocouple connectionloose at control valve6. Pilot flame not touching ther-mocouple, which allows ther-mocouple to cool, causing pilotflame to go out. This problemcould be caused by one or bothof the following:A) Low gas pressureB) Dirty or partially cloggedODS/pilot7. Thermocouple damaged8. Control valve damagedREMEDY1. Free ignitor cable if pinchedby any metal or tubing. Keepignitor cable dry2. Reconnect ignitor cable3. Tighten nut holding piezo ignitorto base panel of log set. Nut islocated behind base panel4. Replace ignitor cable5. Replace ignitor6. Replace piezo ignitor7. Replace ignitor1. Turn on gas supply or openequipment shutoff valve2. Turn control knob to PILOTposition3. Press in control knob while inPILOT position4. Continue holding down controlknob. Repeat igniting operationuntil air is removed5. Clean ODS/pilot (see Cleaningand Maintenance, page 19) orreplace ODS/pilot assembly6. Replace gas regulator1. Press in control knob fully2. After ODS/pilot lights, keep con-trol knob pressed in 30 seconds3. Wait one minute for safety in-terlock system to reset. Repeatignition operation4. Fully open equipment shutoffvalve5. Hand tighten until snug, thentighten 1/4 turn more6. A) Contact local natural gascompanyB) Clean ODS/pilot (see Clean-ing and Maintenance, page 19)or replace ODS/pilot assembly7. Replace thermocouple8. Replace control valve