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Severe burns and electrical shock can occur. HEATER WITH FUSED OR NON-FUSED IGNITION CONTROL ASSEMBLY FAULT CONDITION POSSIBLE CAUSE REMEDY Motor does not start five seconds after heater 1. Bad electrical connection between motor 1. Check all electrical connections. See is plugged in (ON/OFF switch light remains and ignition control assembly or ignition Wiring Diagram, page 23 on) control assembly and power cord WARNING: High voltage! 2. Binding pump rotor 2. If fan does not turn freely, see Pump Rotor, page 12 3. Defective ignition control assembly 3. Replace ignition control assembly 4. Defective motor 4. Replace motor 6 105398 OWNER’S MANUAL TROUBLESHOOTING Continued FAULT CONDITION POSSIBLE CAUSE REMEDY Motor starts and runs but heater does not ignite (ON/OFF switch light remains on) 1. No fuel in tank 2. Pump pressure incorrect 3. Dirty fuel filter 4. Obstruction in nozzle assembly 5. Water in fuel tank 1. Fill tank with kerosene 2. See Pump Pressure Adjustment, page 10 3. See Fuel Filter, page 8 4. See Nozzle Assembly, page 11 5. Drain and flush fuel tank with clean kerosene. See Storing, Transporting, or Shipping, page 6 WARNING: High voltage! 6. Bad electrical connection between 6. Check electrical connections. See Wiring ignitor and ignition control assembly Diagram, page 23 7. Defective ignitor 7. Replace ignitor, see page 9 8. Defective ignition control assembly 8. Replace ignition control assembly Heater ignites but ignition control assembly shuts heater off after a short period of time (ON/OFF switch light remains on) 1. Pump pressure incorrect 2. Dirty air intake, air output, and/or lint filter 3. Dirty fuel filter 4. Obstruction in nozzle assembly 5. Photocell assembly not properly installed (not seeing the flame) 1. See Pump Pressure Adjustment, page 10 2. See Air Output, Air Intake, and Lint Filters, page 10 3. See Fuel Filter, page 8 4. See Nozzle Assembly, page 11 5. Make sure photocell boot is properly seated in bracket WARNING: High voltage! 6. Dirty photocell lens 6. Clean photocell lens 7. Bad electrical connection between 7. Check electrical connections. See Wiring photocell and ignition control assembly Diagram, page 23 8. Defective photocell 8. Replace photocell 9. Defective ignition control assembly 9. Replace ignition control assembly HEATER WITH NON-FUSED IGNITION CONTROL ASSEMBLY ONLY ATTENTION: The ignition control has built-in protection against current overloads. Use the light in the ON/OFF switch to troubleshoot the fault condition. FAULT CONDITION POSSIBLE CAUSE REMEDY ON/OFF switch light does not come on 1. No power to heater 1. Verify that power cord is plugged into when switch is turned to the ON (|) position an electrical outlet and that the circuit and heater does not start breaker in the electral panel is reset WARNING: High voltage! 2. Bad electrical connections 3. Electrical short in ignitor 2. Check electrical wiring and connections. See Wiring Diagram, page 23 3. Check ignitor wiring. If no problems are found, replace ignitor (see page 9) ON/OFF switch light comes on when switch is turned to the ON (|) Position but turns off after five seconds 1. Electrical short in motor 1. Check motor wiring. If no problems are found, replace motor WARNING: High voltage! 105398 7 8 105398 PORTABLE FORCED AIR HEATERS R Figure 9 - Fuel Filter Removal, B35CEH and B70CEH Models UPPER SHELL REMOVAL 1. Remove screws and lock washers along each side of heater using 5/16" nutdriver. These screws attach upper and lower shells together. 2. Lift upper shell off. 3. Remove fan guard. FUEL FILTER (B35CEH and B70CEH Models) 1. Remove side cover screws using 5/16" nut-driver. 2. Remove side cover. 3. Pull rubber fuel line off fuel filter neck. 4. Carefully pry bushing and fuel filter out of fuel tank. 5. Wash fuel filter with clean fuel and replace in tank. 6. Attach rubber fuel line to fuel filter neck. 7. Replace side cover. FUEL FILTER (B100CEH and B150CEH Models) 1. Remove side cover screws using 5/16" nut-driver. 2. Remove side cover. 3. Pull upper fuel line off fuel filter neck. 4. Carefully pry bushing, lower fuel line, and fuel filter out of fuel tank. 5. Wash fuel filter with clean fuel and replace in tank. 6. Attach upper fuel line to fuel filter neck. 7. Replace side cover. SERVICE PROCEDURES WARNING: Never service heater while it is plugged in, operating, or hot. Severe burns and electrical shock can occur. Upper Shell Fan Guard Figure 7 - Upper Shell Removal, B35CEH and B70CEH Models Figure 8 - Upper Shell Removal, B100CEH and B150CEH Models Fuel Filter Side Cover Fuel Line Fan Guard Upper Shell Fuel Filter, Bushing, and Lower Fuel Line Upper Fuel Line Side Cover Figure 10 - Fuel Filter Removal, B100CEH and B150CEH Models OWNER’S MANUAL SERVICE PROCEDURES Continued IGNITOR 1. Remove upper shell and fan guard (see page 8). 2. Remove fan (see page 13). 3. Remove 4 side cover screws with a 5/16" nut driver. Remove side cover (see Figure 9 or 10, page 8). 4. Disconnect ignitor wires ...

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