Major Science MP-300 Руководство по эксплуатации - Страница 13

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Troubleshooting Guide

Many operating problems may be solved by carefully reading and following the

instructions in this manual. Some suggestions for troubleshooting are given

below. Should these suggestions not resolve the problem, contact the

SERVICE DEPARTMENT or a distributor in your region for assistance. If

troubleshooting service is required, please include a full description of the

problem.

Problem

No Display / lights No AC power

Repeated fuse

broken

Operation stops

with alarm: The

screen displays

Cause

AC power cord is not

connected

The fuse has blown

Hardware failure

Electrophoresis

leads are not

connected to the

power supply or to

the electrophoresis

unit(s), or

there is a broken

circuit in the

electrophoresis cell

High resistance due

to tape left on a

pre-cast gel,

incorrect buffer

concentration, or

incorrect buffer

volumes in the

electrophoresis cell

Solution

Check if Mini power supply is

unplugged, or if there is an AC

power source problem

Check AC power cord connections

at both ends. Use the correct cords.

Replace the fuse

Contact your suppliers service

department

Check the connections to the power

supply and on your electrophoresis

cell to make sure the connection is

intact; check condition of wires in

electrophoresis unit. Close the circuit

by reconnecting the cables. Press

START/PAUSE to restart the run.

Correct the condition by making sure

the tape is removed from the

pre-cast gel, buffers are prepared

correctly, and the recommended

volume of buffer is added to the

electrophoresis unit.