Troubleshooting
38 3A8429B
Troubleshooting
1. Follow Pressure Relief Procedure,
page 14, before checking or repairing.
2. Solutions at the beginning of each prob-
lem listed are the most common. Start
at the beginning and continue down the
list to find a solution.
3. Check everything in this Troubleshooting
Table before you bring the sprayer to an
authorized service center.
Problem Cause Solution
Motor does not run:
(verify battery is installed
correctly and fully charged, and
power switch is on)
Easy access door not fully
closed.
Verify that easy access door is
closed and latched. See page
37.
Pressure control knob is set at
zero pressure.
Turn pressure control knob
clockwise to increase pressure
setting.
Pump is seized
(Paint has hardened in pump
or
Water is frozen in pump.)
Turn ON/OFF switch off and
remove battery.
If frozen do NOT try to start
sprayer until it is completely
thawed or it may damage the
motor, control board and/or drive
train.
Place sprayer in warm area for
several hours.
If not frozen, check for hardened
paint in pump. If paint has
hardened in pump. See Pump
Removal, page 35.
If motor does not turn with pump
repaired, consult a Graco
authorized retailer, distributor, or
service center.
Motor or control is damaged. Consult a Graco authorized
retailer, distributor, or service
center.
Battery has insufficient charge. Charge battery.
Battery is defective. Replace battery.
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