Maintenance; Trouble Shooting - Amersham Pharmacia Biotech EPS 3501 XL Manual Del Usuario

EPS 3501 XL - User Manual
9. After all phases have been programmed, you will be asked if you wish for alarms to sound after the
different phases. Press SET ENTER for NO or change to YES and then press SET ENTER.
10.When programming is completed, connect your electrophoresis unit to the outputs, and press RUN.

6. Maintenance

Check regularly that the fan is working properly. Wipe the instrument regularly with a damp cloth. Let
the instrument dry completely before use. Otherwise no user maintenance is necessary. All servicing
should be entrusted to qualified personnel only. Please contact your local Amersham Pharmacia Biotech
representative for more service information.

7. Trouble shooting

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 list shows the error message on the
display, the cause and the remedy.
Error message
HALT: Low start
current!
HALT: Ground
leakage current
HALT: Mains
Voltage too low!
HALT: Mains fail
Program stopped
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.
FAIL:Code No: xxx
Call service
Please read the error code number and contact your Amersham Pharmacia Biotech representative.
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Cause
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.
The current to ground leakage in the
electrophoresis unit is too high.
The mains voltage is too low, see
Specifications.
Mains power failure for more than 7 s.
Remedy
1. Check connections and/or buffers.
2. Press MORE, switch off the start
current check in the MORE mode.
IMPORTANT! Read Section 5.5 first.
Check the electrophoresis unit.
Check voltage selector.
Check mains voltage.
Press PAUSE CONTINUE to continue
running a program or STOP to interrupt
the run.
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