TroubleshootingModel 2500 175
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7 Troubleshooting
Prompt Messages
LCD Display
Power Supply
Heating
Stirring
I/O Communication
Temperature Calibration
Mechanical
This chapter gives an overview of the different types of problems that you might encounter while
operating the Model 2500 Dissolution System. To ensure consistent performance, follow the
recommended solutions given for a specific problem.
Improper servicing or adjustment practices can cause further instrument
failure or serious physical injuries. This instrument must be serviced by
qualified trained personnel who are mechanically and electrically trained and
are well versed in the hazards involved.
The instrument is supplied with the appropriate heaters for certain regions
(115 or 230 volt heaters). Do not attempt to convert the instrument to another
rated power source besides what was originally intended.
Do not proceed beyond a caution notice until the indicated conditions are
fully understood and met.
All exposed points on the control circuit boards are electrically active when
power is on. High voltage is greater when the rear panel is removed from the
instrument. If possible, turn off the power switch and unplug the instrument
from the wall outlet. Be alert. High voltage can cause serious or fatal injury.
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