Xstream HW152EMD, Operation Manual

Page: 32 / 66

32
SYMPTOM PROBABLE CAUSE REMEDY
Burner will not ignite
Steam Option:
Cad Cell Option:
Trigger gun is closed. Open trigger gun for pressure.
Pressure switch override. Pressure should be over 250
PSI to allow burner to come on.
High limit switch override. Unit will automatically reignite
when cool.
Flexible coupler broken. Replace.
Dirty or clogged fuel filter/
water sep.
Drain or replace as necessary.
Fuel pump sucking air. Tighten all fuel intake
connections. Eliminate leaks in
intake line.
Fuel pump inoperative. Check pressure, replace if
needed.
Dirty or clogged fuel nozzle. Replace.
Improper burner air
adjustment.
Adjust as explained on page 26.
Ignition transformer failure. Replace.
Ignition electrodes
damaged or worn.
With unit running and trigger
gun closed, look through burner
sight glass to ensure there is
sparking across electrodes.
Fuel solenoid valve failure. Replace.
High PSI mode. Verify Burner/Steam switch is in
“Steam” mode.
Steam Mode. Verify Burner/Steam switch is in
“Steam” mode.
Steam mode: Pump Head
PSI too high.
Reduce pressure to 350PSI.
Primary control lock-out. Reset.
Burner motor will not
run.
Switch is not in “Burner”
position.
Check switch position.
No voltage. Consult Customer Service.
Motor overload. Motor automatically resets when
cool.
Fuel pump seized. Allow motor to cool. Repair or
replace.
Blower Fan seized. Allow motor to cool. Repair or
replace.
troubleshooting