Trainee Guide TR-L2-M2000
Level 2 Maintenance Training – M2000 Dispensing Systems 4-2-25 P/N 73-0018-00 (Revision B)
Information Sheet 4-8-2
DP-3000 Troubleshooting (Continued)
E. Pump Unable To Complete Reset Routine
Possible Cause Recovery
1. Pump air pressure too low
1. Set valve pressure to 40-80 psi.
(For encoded models, set the fluid pressure to 40 psi).
2. Speed Control too slow 2. Make sure Speed Control is greater than 1.
3. Stopcock jammed with
cured material
3. Replace the stopcock.
4. Stopcock Cylinder
Adjustment Screw too tight.
4. Loosen the Stopcock Cylinder Adjustment Screw.
F. Material Drips Or Trails Slightly From The Needle
Possible Cause Recovery
1. Air in chamber 1. Perform a priming sequence.
2. Fluid is slightly
compressible or
stopcock is expanding
2. Use a larger diameter needle.
3. Stopcock cylinder
adjustment screw is
improperly adjusted (non-
encoded version only).
3. Turn the stopcock cylinder adjustment screw clockwise so
that the stopcock moves from the refill position to the
dispense position more slowly. Typically, it should be
adjusted so that it takes 2 seconds for this motion.
G. Pump Not Dispensing Or Responding
Possible Cause Recovery
1. Piston is out of sensor
range
1. See “Feed Screw Jam Recovery” in DP-3000 Operations
Manual.
2. No power to motor 2. Refer to Information Sheet 4-8-1.
3. DP-3000 has reached its
Travel Limit
1. In the Main Window, click on Run a Program.
2. Click on Setup, and then select DP-3000 −
−−
− Refill.
3. Return to the Main Window.
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