Trainee Guide TR-L2-M2000
Level 2 Maintenance Training – M2000 Dispensing Systems 4-2-24 P/N 73-0018-00 (Revision B)
Information Sheet 4-8-1
DP-3000 Troubleshooting
A. Intermittent or No Fluid Dispensing
Possible Cause Recovery
1. Pump poorly primed 1. Perform a priming sequence.
2. Clogged dispensing tip
2. Replace tip.
3. Plugged pump 3. Clean pump.
4. Empty fluid reservoir 4. Replace fluid reservoir.
5. Speed Control set to 0 rpm 5. Increase Valve Speed.
6. Tip too close to substrate or
touching substrate
6. Adjust height sensing. Flatten parts or fixture.
7. Material cured in pump 7. None. Chamber is destroyed.
8. Feed screw jammed 8. Free feed screw. Refer to Valve Operations Manual.
B. No Power to Motor
Possible Cause Recovery
1. Loose Interface Cable
connection
1. Tighten Interface Cable connectors.
2. Loose CB-036 connection 2. Tighten cable connectors.
3. Driver circuits failed 3. Check driver fuse on system rear panel.
C. Material Drips Continuously From Dispensing Tip
Possible Cause Recovery
1. Pump poorly primed 1. Perform a priming sequence.
2. Needle too small 2. Use a larger gauge needle.
3. Flow rate is too high 3. Reduce the flow rate.
4. Thick material causing
pump chamber to over-
pressurize
4. Use a shorter needle.
D. Fluid Leaking From Prime Port On Side Of Pump Body
Possible Cause Recovery
1. Seals are worn out 1. Replace seals.
2. Valve pressure or fluid
pressure set too high
2. Lower valve pressure (non-encoded models) or fluid
pressure (encoded models).
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