Troubleshooting
10 3A2244A
Troubleshooting
Mechanical/Fluid Flow
Perform Pressure Relief Procedure; page 9.
TYPE OF PROBLEM
WHAT TO CHECK
If check is OK, go to next check
WHAT TO DO
When check is not OK, refer to this column
CODE XX is displayed Fault condition exists Determine fault correction from table,
page 13.
Pump output is low Spray tip worn Follow Pressure Relief Procedure on page 9,
then replace tip. See your separate gun or tip
manual.
Spray tip clogged Relieve pressure. Check and clean spray tip.
Paint supply Refill and reprime pump.
Intake strainer clogged Remove and clean, then reinstall
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. Strain paint before using to
remove particles that could clog pump.
Fluid filter, tip filter, or tip is clogged
or dirty.
Clean filter; see operation 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.
Leaking around throat packing nut
which may indicate worn or damaged
packings.
Replace packings; see pump manual. Also
check piston valve seat for hardened paint or
nicks and replace if necessary. Tighten packing
nut/wet-cup.
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