Maintenance and Troubleshooting 51
Troubleshooting the DNA Application
5
Symptoms (DNA)
Baseline Noise
Back to “Symptoms (DNA)” on page 37
Most probable causes Solution
Chip contaminated. Wear powder-free gloves only.
Do not touch the underside of the chip.
Do not touch the wells of the chip.
Clean the electrodes.
Load the chip immediately after taking it out of its sealed bag.
Probable causes Solution
Fingerprint on focusing lens or on the
backside of the chip.
Clean lens as described in “Cleaning the Lens” on page 143.
Do not touch the underside of the chip.
Least probable causes Solution
Autofocus failure or high voltage
power supply defective.
Check autofocus and high voltage power supply by means of the “Hardware
Diagnostics” on page 29. If tests fail, contact Agilent Technologies at
www.agilent.com/genomics/contact.
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