Xstream HW152EMD, Operation Manual

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troubleshooting
Troubleshooting
TROUBLESHOOTING CHART
SYMPTOM PROBABLE CAUSE REMEDY
Pump motor will not
run.
Circuit overload. Check wall breaker or fuse.
GFCI tripped. Reset.
Motor overload. Reset thermal overload button
on pump motor or inside
electrical control panel.
Auto Start/Stop Option in
use.
Point gun in a safe direction an
squeeze trigger.
No discharge at
nozzle when trigger
mechanism is
squeezed.
Inadequate water supply. Ensure hose is 3/4” diameter
and incoming water supply is
turned on.
Low or fluctuating
pressure.
Kink in water inlet hose. Remove kink.
Kink in high pressure
discharge hose.
Replace kinked high pressure
hose.
Water inlet screen
obstructed.
Remove screen, clean or
replace.
Pump sucking air. (Prime
eliminated)
Tighten all water intake
connections Eliminate leaks in
intake line.
Adjustable Grip on Lance is
not in high pressure mode.
Turn grip counterclockwise to
move to high pressure.
Obstructed or worn spray
nozzle.
Remove, clean or replace.
Damaged or obstructed
valve assy. on pump.
Remove, clean or replace.
Pump packings worn. Replace packings.
Unloader/Bypass valve not
operating correctly.
Repair or replace.
Scale build-up in heat
exchanger coil.
Descale coil.
Water is leaking from
Thermal Relief Valve.
Water inlet temperature is
too high.
Incoming water temperature
must be less than 125°.
Water temperature is too
high.
Do not allow unit to operate in
bypass mode (with the trigger
gun closed) for more than three
minutes.
Defective valve. Replace.
Oil appears milky or
foamy.
Water in oil. Change pump oil. Fill to proper
level.