Desa Amity Owner's Operation And Installation Manual

Contents

Desa Amity Owner's Operation And Installation Manual Manual pdf 18 page image

111162-01B18For more information, visit www.desatech.comFor more information, visit www.desatech.comTROUBLESHOOTINGWARNING: Turn off heaterand let cool before servicing. Onlya qualified service person shouldservice and repair heater.CAUTION: Never use a wire,needle, or similar object to cleanODS/pilot. This can damage ODS/pilot unit.POSSIBLE CAUSE1. Ignitor electrode not connected to ig-nitor cable2. Ignitor cable pinched or wet3. Broken ignitor cable4. Bad piezo ignitor5. Ignitor electrode broken6. Ignitor electrode positioned wrong1. Gas supply turned off or equipmentshutoff valve closed2. Control knob not in PILOT position3. Control knob not pressed in while inPILOT position4. Air in gas lines when installed5. ODS/pilot is clogged6. Gas regulator setting is not correct7. Depleted gas supply (propane/LP only)1. Control knob not fully pressed in2. Control knob not pressed in long enough3. Equipment shutoff valve not fully open4. Pilot flame not touching thermocouple,which allows thermocouple to cool, caus-ing pilot flame to go out. This problem couldbe caused by one or both of the following:A) Low gas pressureB) Dirty or partially clogged ODS/pilot5. Thermocouple connection loose at con-trol valve6. Thermocouple damaged7. Control valve damaged1. Burner orifice clogged2. Inlet gas pressure is too low3. Burner orifice diameter is too small4. Thermopile leads disconnected or im-properly connected5. Burners will not come on in remote positionREMEDY1. Reconnect ignitor cable2. Free ignitor cable if pinched by anymetal or tubing. Keep ignitor cable dry3. Replace ignitor cable4. Replace piezo ignitor5. Replace pilot assembly6. Replace pilot assembly1. Turn on gas supply or open equipmentshutoff valve2. Turn control knob to PILOT position3. Press in control knob while in PILOTposition4. Continue holding down control knob. Re-peat igniting operation until air is removed5. Clean ODS/pilot (see Cleaning andMaintenance, pages 16 and 17) or re-place ODS/pilot assembly6. Replace gas control7. Contact local propane/LP gas company1. Press in control knob fully2. After ODS/pilot lights, keep controlknob pressed in 30 seconds3. Fully open equipment shutoff valve4. A) Contact local propane/LP or naturalgas companyB) Clean ODS/pilot (see Cleaning andMaintenance, pages 16 and 17) or re-place ODS/pilot assembly5. Hand tighten until snug, then tighten1/4 turn more6. Replace pilot assembly7. Replace control valve1. Clean burner (see Cleaning and Main-tenance, pages 16 and 17) or replaceburner orifice2. Contact local propane/LP or natural gascompany3. Replace burner orifice4. Reconnect leads (see Wiring Diagram,page 21)5. Replace battery in transmitter and hand-held remoteOBSERVED PROBLEMWhen ignitor button is pressed, there is nospark at ODS/pilotWhen ignitor button is pressed, there isspark at ODS/pilot but no ignitionODS/pilot lights but flame goes out whencontrol knob is releasedBurner does not light after ODS/pilot is litNote: For additional help, visit DESAHeating Products’ technical service website at www.desatech.com.Note: All troubleshooting items are listed inorder of operation.TROUBLESHOOTING