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7
Troubleshooting Guide
Error Message
Illegal Op Code
(continued)
Is pump running?
Locked Rotor?
7-2
Problem
B
There may be significant
electrical noise affecting
the pump motor.
C
There may be a problem
with the microprocessor.
You have selected a command
that requires the pump motor
to be running.
The motor should be running, but
no pulse interrupts are occurring,
so it is not running.
To recover from a locked rotor
condition, first turn the power switch
off and then back on. Then attempt
a solution below.
A
The motor shaft may be locked.
Solution
3.
If the line voltage is
inappropriate for the pump
motor, move it to another line
voltage source.
B
Check the pumping environment for
devices that could be creating
electrical noise. If possible, shut off
these devices or move the pump to
another location.
C
Turn the unit's power off and on,
adjusting the settings, and attempt
to resume pumping.
1.
Press the START/STOP key
to start the motor.
2.
Verify that the display is in the
RUNNING Display Mode
and try to select the command
again.
A
1.
The tubing may be causing a
jam. Observe how the tubing
is loaded in the pump head
and, if necessary, reload it.
2.
Detach the pump(s) and check
for a mechanical jam.
Substitute another pump, if
necessary.
3.
Turn the unit's power off and
on, adjust the settings, and
attempt to resume pumping.
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