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WARNING
To reduce the risk of a serious injury, follow the
Pressure Relief Procedure Warning on page 3
before checking, adjusting or repairing the sprayer.
Read the entire Troubleshooting section before disassembling the sprayer.
TYPE OF PROBLEM
The building's circuit breaker
opens.
The sprayer's circuit breaker
opens.
The sprayer will not operate.
The spray from the gun has a
poor pattern.
Troubleshooting
WHAT TO CHECK
If check is OK, go to next check
Check all electrical wiring to see if there is
damaged insulation.
Check to see if there are other electrical
appliances on the same circuit.
Check the position of the 10–12 (Lo–High)
amp switch.
Check to see if the motor rotor is dislocated.
Unplug the power supply cord. Try to turn
the motor's fan blades with a screwdriver.
Check to see if the motor has an electrical
short. Use an ohmmeter to check for electri-
cal shorts between the electical leads of the
motor and the motor frame.
Check the electrical supply using a volt
meter. The meter should indicate 210–250
VAC.
Check the pressure control knob. If the knob
is turned fully counterclockwise, which is the
minimum pressure setting, the motor will not
operate.
Check to see if the spray tip is clogged.
Refer to page 7.
Check the extension cord for visible dam-
age. Check the extension cord outlet with a
volt meter or a test lamp.
Check the power supply cord for visible
damage such as broken insulation or broken
wires.
Check the electrical supply using a volt me-
ter. The meter should indicate 210–250 VAC.
Check the motor for damage. Remove the
drive housing assembly. Refer to page 17.
Try to rotate the blades of the fan manually.
Check to see if the spray tip is worn.
WHAT TO DO
When check is not OK refer to this column
Replace any damaged wiring.
Shut off other electrical appliances on the
same circuit.
Put the switch in the 10–12 amp (LO) posi-
tion.
Repair the gear train or the pump, if either of
them is damaged. Thaw the sprayer if it is
frozen–see the NOTE on page 11. Replace
the pressure control, if it is damaged.
Inspect the leads of the motor brushes to see
if they are damaged. Replace the motor
brushes or the motor as necessary.
Connect the sprayer to an electrical outlet
which has the correct voltage.
Slowly increase the pressure to see if motor
will start.
Relieve the pressure. Refer to page 7 for
instruction on how to clean the spray tip.
Replace the extension cord.
Replace the power supply cord.
Reset the building's circuit breaker, or replace
circuit's fuse. Try another electrical outlet.
Replace the motor (1) if the blades of the fan
won't rotate.
Relieve the pressure. Replace the spray tip.
Refer to the instruction manual supplied with
the spray tip.
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