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8.
Troubleshooting
A self-test is automatically performed when the ThermoBrite Elite Unit is powered on.
When the instrument successfully powers up, a two-beep ready signal sounds, and the green LED on the right side of the
front panel illuminates.
8.1
Troubleshooting by Symptoms
Symptom
The green LED light is not
on and the instrument will
not operate.
USB Communication Error
ThermoBrite Elite User Manual
3855-7500-501 B02
Figure 8-1: Peristaltic Pump
Possible Cause
Loose power cable connection.
Unit not plugged in or power source faulty.
Fuse blown or not installed.
Faulty internal power supply.
Bad connections.
Faulty cable
Remedies
Make sure that the power cable on the
back of the instrument is properly
inserted into the power outlet.
Make sure the instrument is properly
connected to an electrical outlet.
If the problem persists, call Technical
Services or your distributor.
See
7.6.3 - Replace the
Fuses .
Call Technical Support or your distributor.
Check the connections on the back of the
ThermoBrite Elite and on the USB port of
the Netbook.
Replace the USB cable.
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