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Error Message Problem Solution
Illegal Op Code 3. If the line voltage is
(continued) inappropriate for the pump
motor, move it to another line
voltage source.
B
B
There may be significant Check the pumping environment for
electrical noise affecting devices that could be creating
the pump motor. electrical noise. If possible, shut off
these devices or move the pump to
another location.
C
C
There may be a problem Turn the unit’s power off and on,
with the microprocessor. adjusting the settings, and attempt
to resume pumping.
Is pump running? You have selected a command 1. Press the START/STOP key
that requires the pump motor to start the motor.
to be running.
2. Verify that the display is in the
RUNNING Display Mode
and try to select the command
again.
Locked Rotor? 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
A
The motor shaft may be locked. 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.
Troubleshooting Guide
7
7-2