Troubleshooting
10
3A8304B
Troubleshooting
Remove battery from sprayer and relieve
pressure before disassembling or repairing.
See
Sprayer Diagnostics
www.graco.com/techsupport
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Problem
Cause
Solution
Fluid does not flow from
Sprayer Adapter
Valve Handle is closed.
Open Valve Handle.
ProPack is not primed.
Repeat
page 4. Verify Sprayer Adapter
and Hose are held below the
ProPack tank. Hose cannot be
over shoulder or hooked through
backpack strap.
Low fluid level in ProPack Tank.
Add more fluid to ProPack Tank.
Sprayer and ProPack will lose
prime when fluid level is near 32
oz (1 liter).
Sprayer makes sound but
no fluid is sprayed when
trigger is pulled.
Sprayer is not primed.
Prime ProPack and sprayer.
See
4. Verify the following:
•
Fluid level is above outlet
fitting (more than
approximately 32 oz (1 liter).
•
No air is in hose.
•
Valve Handle is open.
Prime Knob on sprayer is in PRIME
position.
Turn Prime Knob to SPRAY
position.
Spray Tip is not in SPRAY position. Turn Spray Tip to SPRAY
position.
Speed Control on sprayer is set too
low.
Increase speed until sprayer
sprays.
Sprayer Pump has reached end of
life.
Replace Pump Assembly. See
Sprayer manual.
Sprayer makes no sound
when trigger is pulled.
No battery or low battery voltage.
Install fully charged battery.
Problem with sprayer.
See Troubleshooting in sprayer
manual.
Fluid leaking from Hose
near Guard
Loose nut on tank fitting, not
compressing gasket.
Tighten nut from inside of
ProPack Tank.
Replace Hose Assembly. See
Strap will not clip onto
ProPack Tank.
Clip on Backpack Strap is damaged
or broken.
Replace Backpack Strap. See
