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current settings will be restored within the LCD screen after a few seconds.
Section 5 Troubleshooting and Maintenance
Many operating problems may be solved by reading and following the instructions in
this manual accordingly. Some suggestions for troubleshooting are given below. If
these suggestions fail to resolve the problem, contact the Fisher Scientific distributor
in your region for assistance. If troubleshooting service is required, please include a
full description of the problem.
Problem
No Display / lights
Fuse repeatedly
broken
Operation stops
Cause
No AC power
AC power cord is not
connected
The fuse has blown
Hardware failure
Electrophoresis cables
are not connected to
the power supply or to
the electrophoresis
unit(s). There is a
broken circuit in the
electrophoresis tank.
High resistance due to
tape left on a pre-cast
gel; an incorrect buffer
concentration or
volume in the
electrophoresis tank
Check if the power supply is unplugged,
or if the AC power source is a problem.
Check AC power cable to ensure that it is
fits correctly within the power supply. Use
the correct power cable.
Replace the fuse.
Contact Fisher Scientific.
Check the connections to the power
supply and the electrophoresis tank to
ensure they are intact; check the
condition of wires in the electrophoresis
unit. Close the circuit by reconnecting
the cables. Press START/STOP to
resume the run.
Ensure that any tape is removed from the
ends of a pre-cast gel, the buffers are
prepared correctly, and the recommended
volume of buffer is added to the
electrophoresis tank.
13
Solution
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