Kärcher 1.575-554.0 Operator's Manual page 16

PRobleM
bURNeR WIll
NoT lIgHT
(continued from
previous page)
MACHINe
SMokeS
loW WATeR
TeMPeRATURe
WATeR
TeMPeRATURe
Too HoT
PReSeNCe oF
WATeR IN oIl
16
TRoUbleSHooTINg
PoSSIble CAUSe
Burner nozzle is clogged
Thermostat has malfunctioned
Fuel solenoid has malfunctioned
Fuel is improper or water is in fuel
Air adjustment is improper
Fuel pressure is low
Burner nozzle is plugged or dirty
Burner nozzle spray pattern is
faulty
Coil and burner assembly have
heavy accumulation of soot
Electrode setting is misaligned
Smoke stack has obstruction
Engine RPM is low
Fuel is improper or has water in it
Fuel pressure is low
Fuel pump is weak
Fuel filter is partially clogged
Soot buildup on coils is not
allowing heat transfer
Burner nozzle is improper
Incoming water to machine is
warm or hot
Fuel pump pressure is too high
Fuel pump is defective
Fuel nozzle is incorrect size
Water supplied is insufficient
Water flow is restricted
Oil seal is worn
Air humidity is high
Packing is worn or bad
9.800-079.0 • REV. 11/06
SolUTIoN
Clean as required.
Test and replace if needed.
Test and replace if needed.
Drain tank and replace contaminated fuel.
Readjust air bands on burner assembly.
Adjust fuel pump pressure to specifications.
Replace nozzle. Check parts breakdown for
nozzle size.
Replace nozzle. Check parts breakdown for
nozzle size.
Remove coils and burner assembly, clean
thoroughly. Call local dealer.
Realign electrodes to specifications.
Check for blockage or other foreign objects.
Increase RPM to correct specs. See serial
plate.
Replace with clean and proper fuel.
Increase fuel pressure.
Check fuel pump pressure. Replace pump if
needed.
Replace as needed.
Clean coils.
Call your local dealer for proper nozzle.
Lower incoming water temperature.
Call your local dealer for proper fuel pressure.
Replace fuel pump.
See parts breakdown or serial plate for proper
size.
Check water GPM to machine.
Check nozzle for obstruction and proper size.
Check serial plate for correct size.
Check and replace if necessary.
Check and change oil twice as often.
Check and replace if necessary.