Bio-Rad PowerPac™ Universal Power Supply User Manual

Page 28

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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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