Bio-Rad PowerPac™ Universal Power Supply User Manual
Page 28

Error Message
Cause
Solution
ERROR STOP: CODE 09
1. Loose output
1. Verify all electrical
RAPID CHANGE IN R
connections leading
connections.
CORRECT AND CONTINUE
to intermittent
RUN PAUSED
connection to the
CONTINUE
CANCEL
loads.
2. Cells added or
2. Pause power supply prior
removed during
to adding or removing
the run.
electrophoresis cells
3. Change in buffer
3. Verify buffer levels are
levels
appropriate.
Note: certain applications
exhibit intrinsic fluctuations in
resistance (e.g. Dcode). If this is
the case, the change in
resistance detection feature can
be disabled to allow
uninterrupted completion of the
run. (See Sections 3.1 and
5.2.3).
ERROR STOP: CODE 11
Insulation failure in the
1. Check electrical connections,
GROUND LEAK
electrical connections
electrophoresis cell, and
CORRECT AND CONTINUE made outside the power
chiller system for leaks.
RUN PAUSED
supply has caused a
Verify that the electrophoresis
CONTINUE
CANCEL
current flow that may
cell rests on an insulated
create an unsafe
and dry surface.
condition.
2. Check Power source
connections. Additional
capacitance to ground from
external EMC filters or a UPS
(Uninterruptible Power
Supply) can cause
excessive ground currents.
ERROR STOP: CODE 12
Improper load, or
1. Press Reset and restart the
REGULATION ERROR
connection to a
run.
RUN TERMINATED
voltage source
2. If the problem continues,
RESET WHEN READY
cycle power and restart the
RESET
run. If the problem persists,
contact Bio-Rad Technical
support.
ERROR STOP: CODE 13
Internal circuitry
Cycle power and restart run.
PERM MEM ERROR
problems
If problem persists, contact
Bio-Rad Technical support.
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