Graco LineLazer ES 1000, Installation, Repair, Parts

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Troubleshooting (ES 1000 & ES 2000)
54 3A4603F Operation, Repair, Parts
Troubleshooting (ES 1000 & ES 2000)
Mechanical/Fluid Flow
1.
Follow Pressure Relief Procedure
, page 16, before
checking or repairing.
2. Check all possible problems and causes before
disassembling the unit.
Problem
What to Check
If check is OK, go to next check
What to Do
When check is not OK, refer to this
column
Control board status light is blinking or the
light is off and there is power to the sprayer.
Fault condition exists. Determine fault correction from page 56.
Follow
Pressure Relief Procedure ,
page 16.
Pump output is low Spray tip worn. Follow Pressure Relief Procedure ,
page 16, then replace tip. See separate
gun or tip manual.
Spray tip clogged. Follow Pressure Relief Procedure ,
page 16. 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 or tip filter is clogged or
dirty.
Clean filter.
Prime valve leaking. Follow Pressure Relief Procedure ,
page 16, then 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.
Pump rod damage. Repair pump. See pump manual.
Low stall pressure. Turn pressure knob fully clockwise. Make
sure pressure control knob is properly
installed to allow full clockwise position. If
problem persists, replace pressure
transducer.
Piston packings are worn or damaged. Replace packings. See pump manual.
O-ring in pump is worn or damaged. Replace o-ring. See pump manual.
Intake valve ball is packed with
material.
Clean intake valve. See pump manual.
Large pressure drop in hose with
heavy materials.
Reduce overall length of hose.
Check extension cord for correct size. See Extension Cords , page 14.