Instruction Manual

Troubleshooting 8-3
Table 8-1 Basic System Troubleshooting (continued)
Symptom Possible Cause Recovery
A. Applicator ON/OFF
button is OFF
Press Applic ON/OFF button.
B. Out of fluid Add fluid to reservoir.
C. Nozzle is clogged
Remove nozzle, visually verify that it is
clogged. See the applicable Fluid
Dispensing Applicator manual for cleaning
instructions.
D. Not enough fluid pressure
or no fluid pressure
Increase fluid pressure. If equipped with
Material Change Over option, verify valves
are set to correct reservoir.
No fluid is being
dispensed.
E. Micro-adjust knob is fully
closed
Open micro-adjustment to characterized
setup value (value between 1 and 12
marks of turn).
A. Activation of EMO button
may offset positioning
Reinitiate the move sequence with the Find
X-Y home command at the beginning of the
sequence.
B. Excess payload for the
available acceleration
may offset positioning
Change the acceleration values in the
move sequence. Contact Asymtek
Technical Support for assistance.
C. Tool offset incorrect
Reconfigure Tool and perform a
Characterization.
Dispensing head runs
into fixed objects.
D. Dispense program too
close to fixed objects
Dispensing program may need to be
edited.
Stop Pins, Board
Pins, or Bar Clamps
do not work.
Air pressure too low
Check Main air pressure (80 to 90 psi) and
Conveyor air pressure (30 to 40 psi).
No upstream or
downstream interface.
Varies Call a service technician.
Part Sensor not
sensing when board
is present.
Sensor is dirty, not active, or
needs to be adjusted
Clean Part Sensor, check sensor I/O, or
adjust sensor sensitivity.
Board will not index
after dispensing.
No SMEMA signal from
downstream system
Call a service technician.
A. Stop Pin not receiving
air
Call a service technician.
B. Part Sensor dirty Clean Part Sensor.
Board will not index to
correct position.
C. Conveyor rails too close
together
Adjust width between Conveyor rails.
A. Accumulated debris in
chain
Use an airgun or dry, clean cloth to remove
debris from the Conveyor chain.
Conveyor chain
movement is erratic
or unsteady.
B. Conveyor chain is loose
Tighten chain by repositioning
Conveyor motor (motor weight provides
adequate tension).