Desa CDCFTNA Owner's Operation

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

www.desatech.com111244-01G 31POSSIBLE CAUSE1. C o n t r o l k n o b n o t f u l l ypressed in2. Control knob not pressed inlong enough3. Safety interlock system hasbeen triggered4. Equipment shutoff valve notfully open5. 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/pilot6. Thermocouple connectionloose at control valve7. Thermocouple damaged8. Control valve damaged1. Inlet gas pressure is too low2. Burner orifice is clogged3. Thermopile leads disconnectedor improperly connected (Re-mote-Ready Models Only)4. Burners will not come on in re-mote position (Remote-ReadyModels Only)1. Manifold pressure is too low2. Burner orifice is clogged1. Burner orifice is clogged ordamaged2. Damaged burner3. Gas regulator defective4. Inlet gas pressure is too lowREMEDY1. Press in control knob fully2. After ODS/pilot lights, keepcontrol knob pressed in 30seconds3. Wait one minute for safety in-terlock system to reset. Repeatignition operation4. Fully open equipment shutoffvalve5. A) Contact local natural orpropane/LP gas companyB) Clean ODS/pilot (seeCleaning and Maintenance,page 28) or replace ODS/pilotassembly6. Hand tighten until snug, thentighten 1/4 turn more7. Replace pilot assembly8. Replace control valve1. Contact local natural or pro-pane/LP gas company2. Clean burner (see Cleaningand Maintenance, page 28)or replace burner orifice3. Reconnect leads (see WiringDiagram, page 29)4. Replace battery in transmitterand receiver1. Contact local natural or pro-pane/LP gas company2. Clean burner (see Cleaningand Maintenance, page 28)or replace burner orifice1. Clean burner (see Cleaningand Maintenance, page 28)or replace burner orifice2. Replace damaged burner3. Replace gas regulator4. Contact local natural or pro-pane/LP gas companyOBSERVED PROBLEMODS/pilot lights but flamegoes out when control knob isreleasedBurner does not light afterODS/pilot is litDelayed ignition of burnerBurner backfiring during com-bustionTRoUBlEsHooTiNGContinued