Troubleshooting and Diagnostics 288
V4.2 LabChip GX User Manual PerkinElmer
Maximum Samples Exceeded
Warning Message: “Maximum number of samples that can be run
on this chip has been exceeded. Please install new chip.”
Chip Primed for Different Assay
Warning Message: “Assay for which chip was primed is different
from run assay or unknown.”
HV Check Failed
Warning Message: “HV check failed.”
Possible Causes Recommended Actions
Chip has already been
used to process the
maximum number of
samples
Replace the chip with a new chip. Prepare and reprime
the new chip as necessary.
Possible Causes Recommended Actions
The last assay that the chip
was primed for does not
match the assay that is
going to run.
1. Click the No button, remove the chip, refresh with
appropriate reagents, and repeat the chip priming step.
2. Click the Yes button to skip repriming and continue
with the run with the current chip.
Possible Causes Recommended Actions
1. Dirty electrode block. 1. Run the Current Leak Diagnostics test (see
page 291). If test fails, clean o-rings and electrode
block (see page 281).
2. Re-priming can sometimes clear chip clogs. Eject
the chip drawer, push the drawer back in, and restart
the run. See the LabChip GX/GXII Assay User Guide
for troubleshooting.
3. If the problem is not resolved, contact PerkinElmer
Technical Support (see page 3).
2. Clogged chip.
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