Trainee Guide TR-L2-M2000
Level 2 Maintenance Training – M2000 Dispensing Systems 4-2-35 P/N 73-0018-00 (Revision B)
Information Sheet 4-8-12
DJ-2000 Troubleshooting (Continued)
N. Dots Are Stringing Or Stitching
Possible Cause Recovery
1. Dirty nozzle
1. Clean the nozzle with solvent and cleaning wire
(provided in Spare Parts Kit, shipped with DJ-2000).
2. Loose nozzle
2. Inspect the interface between the nozzle and extension.
Clean so that they are free of adhesive and debris.
Finger tighten or use a 19-inch/lb torque wrench
(available through Asymtek) to tighten the nozzle.
3. Damaged nozzle 3. Replace nozzle.
4. Incorrect temperature
4. Set the correct temperature. Refer to Section 4 – Heater
Control for Windows (HCW) of the Fluidmove for
Windows Installation and User Guide.
O. Dots Are Too Big
Possible Cause Recovery
1. Wrong nozzle size 1. Replace with a smaller nozzle.
2. Too many shots per dot
2. Decrease the number of shots per dot by editing the dot
parameters in FMW. Refer to Section 8–Beginning
Programming, “Dots” in the Fluidmove for Windows
Installation and User Guide.
3. Micrometer setting is too high
3. Reduce the needle stroke by rotating the micrometer
clockwise.
4. Fluid pressure too high 4. Adjust the fluid pressure gauge to the correct setting.
P. Dots Are Too Small
Possible Cause Recovery
1. Wrong nozzle size 1. Replace with a larger nozzle.
2. Too few dots per shot
2. Increase the number of shots per dot by editing the dot
parameters in FMW. Refer to Section 8–Beginning
Programming, “Dots” in the Fluidmove for Windows User
Guide.
3. Micrometer setting is too low
3. Increase the needle stroke by rotating the micrometer
counterclockwise.
4. Syringe pressure too low 4. Adjust the fluid pressure to the correct setting.
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