Page 7-32 Troubleshooting
Revised 10/14
ITW Dynatec
D SERIES V6 DCL ASU Manuals
Problem Possible Cause
Pump doesn’t operate 1.Pump RUN/STOP is set
in “Manual” mode. to STOP at the controller
keypad.
2. Hopper temperature is
below ready setpoint.
3. No incoming electrical
power.
Pump doesn’t operate 1. “Manual” pump is set at
in “Manual” mode, zero RPM (at keypad).
hopper is at Ready
condition. 2. If pump RUN/STOP is
beingcontrolledbya
remote switch (i.e., a
hand-held applicator), the
switch or switch circuit
may be open.
3. Faulty motor controller.
Solution
1. Check keypad setting.
2. Pump cannot operate until hopper has
reached ready condition. Verify that
hopper has reached ready. Re-program
hopper operating setpoint and ready
setpoint if necessary.
3. Check to see if ASU temperature
control is operating. If not, check
for presence of incoming supply
voltage.
1. Re -program pump.
2. Check condition of the r emote switch
(the hand-held applicator).
3. If the control is faulty, it must be
replaced.
WARNING HOT SURFACE & ADHESIVE
Some of the procedures in the following Troubleshooting Guide require working
near hot adhesive. Be sure to wear protective gloves, safety glasses and clothing
and use proper tools for handling hot melt components.
Gear
ump
roubleshooting Guide
Note: Each motor in the system can run independently (or dependently). Each motor may have its
own operating parameters. Therefore, each motor should be troubleshot independently.
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