Desa B110BT Owner's Manual

Contents

6104192PORTABLE FORCED AIR HEATER110,000 Btu/Hr H.S.I. SeriesTROUBLESHOOTING WARNING: Never service heater while it is plugged in, operating, orhot. Severe burns and electrical shock can occur.OBSERVED FAULTMotor does not start five seconds after heateris plugged inMotor starts and runs but heater does notigniteHeater ignites but ignition control assemblyshuts heater off after a short period of timePOSSIBLE CAUSE1. No power to heater2. Thermostat setting too low3. Bad electrical connection between mo-tor and ignition control assembly or ig-nition control assembly and power cord4. Blown fuse on ignition control assembly5. Binding pump rotor6. Defective ignition control assembly7. Defective motor1. No fuel in tank2. Pump pressure incorrect3. Dirty fuel filter4. Obstruction in nozzle assembly5. Water in fuel tank6. Bad electrical connection between igni-tor and ignition control assembly7. Defective ignitor8. Defective ignition control assembly1. Pump pressure incorrect2. Dirty air intake, air output, and/or lintfilter3. Dirty fuel filter4. Obstruction in nozzle assembly5. Photocell assembly not properly installed(not seeing the flame)6. Dirty photocell lens7. Bad electrical connection between pho-tocell and ignition control assembly8. Defective photocell9. Defective ignition control assemblyREMEDY1. Check circuit breaker in electrical panel.2. Turn thermostat knob to a higher setting3. Check all electrical connections. SeeWiring Diagram, page 114. See Ignition Control Assembly, page 105. If fan does not turn freely, see PumpRotor, page 106. Replace ignition control assembly7. Replace motor1. Fill tank with kerosene2. See Pump Pressure Adjustment, page 73. See Fuel Filter, page 84. See Nozzle Assembly, page 95. Drain and flush fuel tank with clean kero-sene. See Storing, Transporting, or Ship-ping, page 56. Check electrical connections. See Wir-ing Diagram, page 117. Replace ignitor, see page 88. Replace ignition control assembly1. See Pump Pressure Adjustment, page 72. See Air Output, Air Intake, and Lint Fil-ters, page 73. See Fuel Filter, page 84. See Nozzle Assembly, page 95. Make sure photocell boot is properlyseated in bracket6. Clean photocell lens7. Check electrical connections. See Wir-ing Diagram, page 118. Replace photocell9. Replace ignition control assemblyWARNING: High voltage!WARNING: High voltage!WARNING: High voltage!Note: For additional help, visit DESAInternational’s Technical Service website at www.desatech.com.www.desatech.com