Trainee Guide TR-L2-M2000
Level 2 Maintenance Training – M2000 Dispensing Systems 4-2-29 P/N 73-0018-00 (Revision B)
Information Sheet 4-8-6
DV-7000 Troubleshooting
A. Intermittent Or No Fluid Dispensing
Possible Cause Recovery
1. Pump poorly primed
1. See “Priming the DV-7000” in the Valve Operations
Manual.
2. Clogged needle
2. Clean or replace the needle.
3. Plugged pump
3. Clean pump. See “Cleaning the DV-7000” in the Valve
Operations Manual.
4. Speed Control set to 0 rpm 4. See “Adjustments” in the Valve Operations Manual.
5. No power to motor
5. Make sure that the valve power cord is connected to the
power outlet on the dispensing head.
6. Fluid syringe is empty
6. See “Changing the Syringe” in the Valve Operations
Manual.
B. Needle Repeatedly Clogs With Fluid
Possible Cause Recovery
1. Fluid particles too big for
needle size
1. Replace needle with a bigger needle.
2. Needle bent or damaged 2. Replace needle.
3. Fluid has exceeded pot life or
fill has separated
3. See “Changing the Syringe” in Valve Operations
Manual.
C. Material Drips Or Drools Continuously From Dispensing Tip
Possible Cause Recovery
1. Pump poorly primed
1. See “Priming the DV-7000” in the Valve Operations
Manual.
2. Wrong type of stopper in
syringe
2. Use zero draft (orange or yellow) stoppers in the
syringe.
3. Air inside syringe expands
3. Add a short Reverse Motor command to the end of the
dispensing command.
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