Electrophoresis Power Supply EPS 3501 XL
Operating Instructions
28-9639-69
AA
43
Troubleshooting 6
6 Troubleshooting
If an error that can be corrected by the user occurs, either during a run or when
switching on the power supply, the program enters the
HALT
mode and the output is
switched off. Four different types of errors can cause
HALT
. The following table shows
the error message on the display, the cause and the actions necessary.
If a serious error occurs, the program enters the
FAIL
mode. The output is switched off
and an error message is shown in the display.
Please note the error code number and contact your GE Healthcare representative.
Error message
Cause
Action
The current is less than the lower
limit. This can be due to incorrect
connection of the electrophoresis
equipment or due to use of
buffers with extremely low
conductivity.
1
Check connections and/or
buffers.
2
Press
more
, switch off the start
current check in the
MORE
mode. See
Electrophoresis
Power Supply EPS 3501 XL User
Manual
for more information.
The current to ground leakage in
the electrophoresis unit is too
high.
Check the electrophoresis unit.
The mains voltage is too low, refer
to
Electrophoresis Power Supply
EPS 3501 XL User Manual
.
Check voltage selector.
Check mains voltage
Mains power failure for more than
7 secs.
Press
pause continue
to continue
running a program or
STOP
to
interrupt the run.
HALT: Low start
current!
HALT: Ground
leakage current
HALT: Mains
Voltage too low!
HALT: Mains fail
Program stopped
FAIL:Code No: xxx
Call service