Pump Troubleshooting Guide - ITW Dynatec DYNAMELT D15 Series Technical Documentation Manual

Page 7-32 Troubleshooting
Revised 10/14
Gear Pump Troubleshooting Guide
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.
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.
Problem
Pump doesn't operate
in "Manual" mode.
Pump doesn't operate
in "Manual" mode,
hopper is at Ready
condition.
WARNING HOT SURFACE & ADHESIVE
Possible Cause
1.Pump RUN/STOP is set
to STOP at the controller
keypad.
2. Hopper temperature is
below ready setpoint.
3. No incoming electrical
power.
1. "Manual" pump is set at
zero RPM (at keypad).
2. If pump RUN/STOP is
being controlled by a
remote switch (i.e., a
hand-held applicator), the
switch or switch circuit
may be open.
3. Faulty motor controller.
D SERIES V6 DCL ASU Manuals
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 remote switch
(the hand-held applicator).
3. If the control is faulty, it must be
replaced.
ITW Dynatec