User's Manual

Cleanup
3A0245A 13
Troubleshooting
Motor Won’t Operate
PROBLEM CAUSE SOLUTION
Basic Fluid Pressure Problems Pressure control knob setting. Motor will not
run if at minimum setting (fully counterclock-
wise).
Slowly increase pressure setting to see
if motor starts.
Spray tip or fluid filter may be clogged. Relieve pressure and clear clog or
clean filter; refer to separate gun or tip
instruction manual.
Basic Mechanical Problems Frozen or hardened paint. Thaw sprayer if water or water-based
paint has frozen in sprayer. Place
sprayer in warm area to thaw. Do not
start sprayer until thawed completely. If
paint hardened (dried) in sprayer,
replace pump packing. See repair man-
ual.
Displacement pump connecting rod pin. Pin
must be completely pushed into connecting
rod and retaining spring must be firmly in
groove of pump pin.
Push pin into place and secure with
spring retainer.
Motor. Remove drive housing assembly.
Try to rotate fan by hand.
Replace motor if fan won't turn.
Basic Electrical Problems Motor control board. Board shuts down and
displays error code.
See Control Board Diagnostics.
Electrical supply. Meter must read: 210-255
Vac for 220-240 Vac models;
85-130 Vac for 100-120 Vac models.
Reset building circuit breaker; replace
building fuse. Try another outlet.
Extension cord. Check extension cord conti-
nuity with volt meter.
Replace extension cord.
Sprayer power supply cord. Inspect for dam-
age such as broken insulation or wires.
Replace power supply cord.
Check that motor leads are securely fastened
and properly mated.
Replace loose terminals; crimp to
leads. Be sure terminals are firmly con-
nected. Clean circuit board terminals.
Securely reconnect leads.
ON/OFF Switch. Connect volt meter between
L1 and L2 terminal on ON/OFF switch. Plug
in sprayer and turn ON. Meter must read:
210-255 Vac for 220-240V models
85-130 Vac for 100-120V models.
Replace ON/OFF switch.
All terminals for damage or loose fit. Replace damaged terminals and
reconnect securely.