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