Training Guide Course No. 196514
Level 2 Maintenance, X-1000 Series Dispensing Systems 4-154 P/N 196515 (Revision A)
Information Sheet 4-13-9
DJ-2000 Troubleshooting (Continued)
J. Not Dispensing Properly
Possible Cause Recovery
Jet may need to be cleaned
Perform “Cleaning Procedure” in DJ-2000 Operations
Manual.
K. Dispenser Does Not Cycle
Possible Cause Recovery
No signal to the solenoid
valve
Check that the solenoid cable is securely fastened to
the CPC connector.
Insufficient or no air pressure
to the solenoid valve
Check fluid air, valve air, and main air pneumatics;
tighten connections if necessary. If air is flowing, set
the air pressure to 70–90 psi.
L. Solenoid Is Firing, But No Dots Are Forming
Possible Cause Recovery
Plugged Nozzle
Clean nozzle with solvent and cleaning wire
(provided in DJ-2000 Spare Parts Kit). If not possible
to clean the nozzle, replace it.
Failed dispenser component
or clogged jet
Follow the procedure “Cleaning the DJ-2000” in DJ-
2000 Operations Manual. (Steps for inspection of the
internal components for damage are included in this
procedure.)
The DJ-2000 should be cleaned to remove any
excess fluid that may be blocking chambers and
orifices.
No adhesive in dispenser or
air bubble in the flow path
Prime the DJ-2000 (refer to “To manually prime the
DJ-2000” in DJ-2000 Operations Manual.)
i. Check the syringe pressure
and proper connection to the
dispenser.
Dispenser not cycling
See Dispenser Does Not Cycle.
M. Air Coming From Weep Hole
Possible Cause Recovery
Damaged upper body seal
Replace the upper body seal. Refer to “To
disassemble and clean the DJ-2000” in the Valve
Operations Manual.
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