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7
Troubleshooting Guide
Error Message
Must STOP first!
not applicable
not available
OVERCURRENT!
7-4
Problem
You have attempted to calibrate
or change the direction of
pumping while the pump
is running.
You have attempted to perform
a function that you can not
perform at this time.
You have attempted to perform
a function that you can not
perform at this time.
The motor driver board has
sensed an overcurrent.
To recover from an overcurrent,
first turn the power switch off,
and then back on. Then
attempt solutions 1 through 8.
Solution
1.
Press the START/STOP key
to stop the pump. Verify
that the display is in the
STOPPED Display Mode.
2.
For information on how to
change the direction of
pumping, refer to Section 5.2.
Review the instructions for
performing the required function
and proceed.
Review the instructions for
performing the required function
and proceed.
1.
The tubing may be causing a
jam. Observe how the tubing
is loaded in the pump(s) and,
if necessary, reload it.
2.
Detach the pump(s) and check
for a mechanical jam.
Substitute another pump, if
necessary.
3.
Check to see if the fuse is
blown. Replace if necessary.
Refer to Chapter 9 for fuse rat-
ings and chapter 8 for instruc-
tions on how to replace it.
4.
Make sure you are using tub-
ing of the appropriate wall
thickness for the pump(s).
Refer to Table 9-1, 9-2, or
9-3.
5.
Make sure you are using tub-
ing of the appropriate durom-
eter for your pump(s). Try to
operate the motor with tubing
of 68 or smaller durometer.
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