Instruction Manual

Troubleshooting 45
5 Troubleshooting
If you experience difficulties or poor performance when using DP-3000 Series pumps, use Table 5-1 for
general troubleshooting, and Tables 5-2, and 5-3 for more specific troubleshooting to help correct the
problem. If you cannot correct the problem, contact Asymtek Technical Support.
Table 5-1 Troubleshooting Guide, General
Symptom Possible Cause Recovery
A. Pump poorly primed. A. Perform a priming sequence.
B. Clogged dispensing tip. B. Replace tip.
C. Plugged pump.
C. Clean pump. See “Cleaning
the DP-3000” in the
Maintenance section.
D. Empty fluid reservoir.
D. Replace fluid reservoir. See
“Using the DP-3000” in the
Operation section.
E. Speed Control set to
0 rpm.
E. Increase Valve Speed. Refer
to the Operation section.
F. Tip too close to substrate or
touching substrate.
F. Adjust height sensing. Flatten
parts or fixture.
G. No power to motor.
G. See 2. No Power to Motor
below.
H. Material cured in pump. H. None. Chamber is destroyed.
1. Intermittent or no fluid
dispensing.
I. Feed screw jammed.
I. Free feed screw. See “Feed
Screw Jam Recovery” in this
section.
A. Loose Interface Cable
connection.
A. Tighten Interface Cable
connectors.
B. Loose CB-036 connection. B. Tighten cable connectors.
2. No power to motor.
C. Driver circuits failed.
C. Check driver fuse on system
rear panel.
A. Pump poorly primed. A. Perform a priming sequence.
B. Needle too small. B. Use a larger gauge needle.
C. Flow rate is too high. C. Reduce the flow rate.
3. Material drips
continuously from
dispensing tip.
D. Thick material causing pump
chamber to over-pressurize.
D. Use a shorter needle.