Troubleshooting - Graco SDM8 Series Instructions Manual

Troubleshooting

Troubleshooting
Perform pressure relief procedure, page 9, before you check or repair the metered dispense
valve. Be sure all other valves, controls and pump are operating properly.
Problem
Battery dead icon is present.
Display does not activate
Slow or no fluid flow
Displayed dispensed amount is
not accurate
22
Cause
Batteries are low.
Batteries are dead.
Electronic control is malfunc-
tioning.
Filter is clogged.
Pump pressure is low.
Twist lock nozzle not fully
open.
Shut-off valve is not fully open. Fully open shut-off valve.
Foreign material is jammed in
the metered dispense valve
housing.
Unit needs to be calibrated for
the fluid that is being dis-
pensed.
Displayed dispensed amount
not reset before starting new
dispense.
Solution
Replace batteries, page 21.
Replace batteries, page 21.
Replace the electronic bezel
assembly. Contact your Graco
distributor for assistance order-
ing this part.
1. Relieve pressure, page 9.
Clean or replace filter.
2. If the problem remains,
contact your Graco
distributor for repair or
replacement.
Increase pump pressure.
Aim nozzle into bucket or rag.
Fully open nozzle.
Do not trigger metered dis-
pense valve when nozzle is
closed! If you do accidentally
trigger the metered dispense
valve with the nozzle closed,
point nozzle into a waste
bucket and open the nozzle to
relieve pressure and expel built
up fluid.
Contact your Graco distributor
for repair or replacement.
Calibrate the metered dis-
pense valve for the fluid that is
being dispensed.
Reset the fluid dispensed
before performing dispense.
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