water heater series operator's manual - Shark Pressure Washers

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14 WATER HEATER SERIES OPERATOR’S MANUAL TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION BURNER WILL NOT LIGHT Disconnected or short in electrical wiring Burner motor thermal protector tripped ON/OFF switch defective Heavy sooting on coil and burner, can cause interruption of air flow and shorting of electrodes Improper electrode setting Fuel not reaching combustion chamber Fuel solenoid malfunction Clogged burner nozzle Water not turned on Flow switch malfunction All wire contacts should be clean and tight. No breaks in wire. If tripped, check voltage, connections and extensions for cause. Check fuel pump shaft rotation for binding, causing motor to overheat. Check continuity through burner switch. Clean as required. Clean and test according to diagram in operator's manual. Check fuel pump for proper flow. Check solenoid flow switch on machines with spray gun control for proper ON/OFF flow switch. Check by placing screwdriver inside coil then turn machine on, open spray gun and check for magnetic pull. Replace. Turn on water to activate burner flow switch. Remove, test for continuity and replace as needed. MACHINE SMOKES Improper fuel or water in fuel Drain tank and replace contaminated fuel. Low fuel pressure Air leaks in fuel lines Plugged or dirty burner nozzle Faulty burner nozzle spray pattern Heavy accumulation of soot on coils and burner assembly Misaligned electrode Fuel filter partially clogged Obstruction in smoke stack Soot build-up on coils Lime build-up in coils Adjust fuel pump pressure to specifications. Check fuel lines for leaks or air bubbles. Tighten or replace as needed. Replace. Replace nozzle. Remove coils and burner assembly. Clean thoroughly. Realign electrodes to specifications. Replace as needed. Check for insulation blockage or other foreign objects. Clean coils with soot remover. Clean inside of coils using coil cleaner. 97-6149 • 97-6162 • 97-6133 • Rev. 3/04
WATER HEATER SERIES OPERATOR’S MANUAL 15 TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION LOW WATER TEMPERATURE WATER TEMPERATURE TOO HOT Improper fuel or water in fuel Low fuel pressure Weak fuel pump Fuel filter partially clogged Soot build up on coils Lime build up on coils Improper burner nozzle Incoming water to machine warm or hot Fuel pump pressure too high Fuel pump defective Detergent line sucking air Defective high limit switch (thermostat) Incorrect fuel nozzle size Insufficient water supplied Restricted water flow Drain fuel tank and replace with proper fuel. Increase fuel pressure. Check fuel pump temperature. Replace pump if needed. Replace as needed. Clean coils with soot remover. Clean inside of coils using Shark's coil cleaner. See specifications. Lower incoming water temperature. Lower fuel pressure. Replace fuel pump. Tighten all clamps. Check detergent line for holes. Replace. See Burner Nozzle section. Check GPM to machine. Check nozzle for obstruction, proper size. 97-6149 • 97-6162 • 97-6133 • Rev. 3/04
Page 1 and 2: MODEL: HP OPERATING INSTRUCTION AND
Page 3 and 4: 3 CONTENTS Introduction ...........
Page 5 and 6: WATER HEATER SERIES OPERATOR’S MA
Page 13: WATER HEATER SERIES OPERATOR’S MA
Page 17 and 18: HP SERIES HEATER MODULE WARRANTY SH

water heater series operator's manual - Shark Pressure Washers

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