Troubleshooting - Graco LDP5 Instructions Manual

Troubleshooting

Problem
Battery icon is displayed.
Battery icon is blinking, and
bAtt (BATT) is blinking.
Display does not activate or is
showing unintelligible character.
Slow or no fluid flow
Displayed dispensed amount is
not accurate.
Oil leaks from where fluid outlet
tube connects to housing.
312668ZAC
Cause
Battery is low.
Battery is dead or is not suited for this
application (poor quality).
Battery is defective or dead.
Electronic control is malfunctioning.
A dispense mode has not been
selected.
Filter is clogged.
Pump pressure is low.
Shut–off valve is not fully open.
Foreign material is jammed in the
meter housing.
Unit needs to be calibrated for the fluid
that is being dispensed.
Outlet tube or sealing nut or street
elbow is loose or damaged.
Sealing nut is oriented the wrong way. Make sure the PTFE seal on the sealing
1. Follow Pressure Relief Procedure, page 10,
before checking or repairing the dispense valve.
2. Check all possible problems and causes before
disassembling.
Replace the battery. See Replace the
Battery, page 21.
Replace the battery. See Replace the
Battery, page 21.
Replace the battery. See Replace the
Battery, page 21.
Replace the electronic control (clam-
shell).
Select a dispense mode by pressing the
Manual/Reset button or the Auto/Reset
button.
1.Relieve pressure by following the
Pressure Relief Procedure, page 10.
2.Clean or replace the filter. See
Replace the Filter, page 21.
3.If the problem remains, contact your
Graco distributor for repair or replace-
ment.
Turn up pump pressure.
Fully open shut–off valve.
Contact your Graco distributor for
repair or replacement.
Calibrate the meter for the fluid that is
being dispensed. See Calibration,
page 14.
Check outlet tube, sealing nut, and
street elbow for looseness or damage
and tighten or replace.
nut is facing the surface against which it
is tightened.
Troubleshooting
Solution
23