Owner`s manual

40 Troubleshooting
Table 6-1 Troubleshooting Guide
Symptom Possible Cause Recovery
Pump poorly primed
See “
Priming the Pump” in the Operation
section.
Clogged needle Clean or replace the needle.
Plugged pump
Clean Pump. See
“
Cleaning the Pump” in the Maintenance
and Service section.
Speed Control set to 0 rpm
See “
Pump Adjustments” in the Operation
section.
No power to motor
Make sure that pump power cord is
connected to the power outlet on the
dispensing head.
Intermittent or no fluid
dispensing
Fluid syringe is empty
See “
Installing/Changing a Fluid Syringe”
in the
Operation section.
Fluid particles too big for
needle size
Replace needle with a larger diameter
needle.
Needle bent or damaged Replace needle.
Needle repeatedly
clogs with fluid
Fluid has exceeded pot life
or fill has separated
See “
Installing/Changing a Fluid Syringe”
in the
Operation section.
Pump poorly primed
See “
Priming the Pump” in the Operation
section.
Wrong type of stopper in
the syringe
Use zero draft (orange or yellow) stoppers
in the syringe.
Air inside syringe expands
Add a short reverse motor command to the
end of the dispensing command. Refer to
the Fluidmove User Guide or Online Help
for instructions.
Material drips or drools
continuously from
dispensing tip
Cartridge preload is
improperly set (DV-8000)
See “
Loading a Dispensing Cartridge” in
the
Operation section.
Syringe air pressure set too
low
Increase syringe air pressure (30 psi
max.). Refer to the applicable dispensing
system Operations Manual for instructions.
Drive mechanics do not
have time to damp-out after
an X-Y move
Increase the settling time in the Dot
Parameters. Refer to the Fluidmove User
Guide or Online Help for instructions.
Inconsistent shot sizes
Feed screw damaged or
binding
Contact Asymtek Technical Support.
Needle is too big Replace needle with a smaller needle.
Shots too large
Syringe air pressure set too
high
Decrease syringe air pressure (30 psi
max). Refer to the applicable dispensing
system Operations Manual for instructions.
Fluid flow rate too fast
or too slow
Incorrect pump motor
speed
Correct pump motor speed to rate
recommended for the fluid used. Refer to
the applicable dispensing system
Operations Manual for instructions.
Pump is contacting
other components
during Dispensing
Head movement
Incorrect Valve
Bracket/Mounting Plate
installation
Adjust bracket/plate height. Refer to the
Installation section.