Skip to main content
Thermo Fisher Scientific

PGNL error in optics board control

Issue

Boards degraded; PGNL error; Optics board control table shows LensObjMainMiddle error

Environment

Titan Krios G3

Resolution

These are possible resolutions for the issue:

  • Replace the Fuse

Cause

These are possible causes for the issue:

  • Fuse to the PGNL defective

Details

PGNL shows error and we do the follow actions in the troubleshooting

  1. Re sit the PGNL for several times to avoid the contact issue--→issue not fixed
  2. We measure the impedance of the obj--it is normal
  3. Do coil calibrations--→ issue not fixed
  4. Replace the PGNL with a new one ---→ issue not fixed
  5. Check the power to the PGNL: The fuse to the PGNL is defected. And issue fixed when we replace it with a new one.

clipboard_e5b984dad88524b6a4678720b413c4b43.png

 

  • Was this article helpful?