Graco RTX-650 - Manual (Page 14)

Troubleshooting
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Troubleshooting
Problem Cause Solution
Sprayer won’t run Power switch not on Turn switch on.
No power at wall outlet Check outlet by seeing if light in the
plug is illuminated. If not, try another
outlet.
Wrong size generator Use a 3500 watt or larger generator.
Refer to Generator Requirements,
page 6.
Too many items on same circuit Unplug other items from circuit
Extension cord too long or wrong
gauge Use a different extension cord. Refer
to Grounding and Electric Require-
ments, page 6.
Breaker tripped Reset breaker.
Blown motor fuse Check to see if fuse needs to be
replaced, page 12.
Pump won’t pump material Failed motor or motor shield Replace motor or motor fuse.
Mix too thick Add water to thin material. Use Mate-
rial Thickness Gauge.
Plugged gun Relieve Pressure, page 6. Remove
gun from hose. Clean gun.
RotoFlex II pump worn out Replace hose. Recommended hose
replacement - once a year or every
3000 gallons.
Pump cold or material frozen in pump Move pump to warm room and allow
it to warm up or run hot water through
sprayer.
Material in hose Remove material hose from outlet
and run until material flows.
Material runs out of bottom of sprayer
onto floor RotoFlex II pump worn out Replace hose.
No air flowing from gun Gun air valve closed Open gun air valve.
Gun needle plugged Clean needle and retry.
Lines not connected Check all connections to gun and
hoses.
Damaged hose Replace hose.
Worn compressor Replace compressor.