Bio-Rad PowerPac™ Universal Power Supply User Manual
Page 27

5.2.4 Error Messages
Error Message
Cause
Solution
ERROR STOP CODE 01
1. Electrophoresis cell
1. Make sure all electrical
NOLOAD DETECTED
not connected to the
connections make good
CORRECT AND CONTINUE
power supply or
contact and the cables
RUN PAUSED
buffer levels too low.
and wire electrodes are
CONTINUE
CANCEL
in good shape.
Verify buffer levels are
appropriate.
2. The current load is
2. Verify the electrophoresis
less than 2 mA.
application power
requirements match
PowerPac Universal output
range. Note: The No Load
detection can be de-
activated. (See Sections 3.1
and 5.2.3)
ERROR STOP: CODE 02
1. Accidental shorting
1. Make sure all electrical
OVER CURRENT
of output leads.
connections make good
CORRECT AND CONTINUE
contact and the cables
RUN PAUSED
and wire electrodes are in
CONTINUE
CANCEL
good shape.
2. Shorting due to
2. Verify buffer levels are
wrong connections.
appropriate.
ERROR STOP: CODE 03
1. Control circuitry
1. Press the CONTINUE soft
OVER VOLTAGE
problem
key to continue the run.
CORRECT AND CONTINUE
If the problem continues,
RUN PAUSED
cycle power and restart the
CONTINUE
CANCEL
run. If the problem persists,
contact Bio-Rad Technical
Support.
ERROR STOP: CODE 07
AC Power was interrupted To continue a run after a
RUN POWER FAILURE
during the run and the
power failure, activate the
RUN TERMINATED
run was terminated
Power Failure Detection mode
RESET WHEN READY
because the Power
in the Setup window (See
RESET
failure detection is OFF
Section 3.1).
ERROR STOP: CODE 08
Control circuitry
1. Press the RESET soft key to
REGULATION ERROR
problems.
clear the screen, then
RUN TERMINATED
restart the run.
RESET WHEN READY
2. If the problem continues,
RESET
cycle power and restart the
run. If the problem persists,
contact Bio-Rad Technical
support.
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