Troubleshooting
24
3A4442F
Troubleshooting
Mechanical/Fluid Flow
1.
Follow
page 10, before checking or repairing.
2.
Check all possible problems and causes
before disassembling unit.
Problem
Cause
Solution
CODE XX is displayed.
Fault condition exists
Determine fault correction from
table, page 27.
Pump output is low
Spray tip worn
Follow
Pressure Relief Procedure
on page 10, then replace tip. See
your separate gun or tip manual.
Spray tip clogged
Relieve pressure. Check and clean
spray tip.
Material supply
Refill and reprime pump.
Hopper strainer clogged
Remove and clean, then reinstall.
Hopper filter is too fine. Remove
filter or replace with a larger mesh
filter.
Intake valve ball and piston ball are
not seating properly
Remove intake valve and clean.
Check balls and seats for nicks;
replace if necessary; see pump
manual.
Prime valve leaking
Relieve pressure. Repair prime
valve.
Verify pump does not continue to
stroke when gun trigger is released.
(Prime valve not leaking.)
Service pump; see pump manual.
Hopper seal leaking
Make certain hopper outlet clamps
are tight and flange 0-ring is in
place.
Material is too thick for proper
VIBRA-FLO shaker operation
Thin material
Material not flowing into pump
Increase VIBRA-FLO setting or thin
material