B
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CUES Inc.
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PICS User Manual | CH915
www.cuesinc.com
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APPENDIX B
TROUBLESHOOTING:
The following is a list of the error messages provided by the PICS firmware update program, along with a
description of what each indicates and some potential causes.
NOTES:
1. All of the below error messages can, additionally, be caused by communication problems with the
attached USB Flash drive, which can be caused by poor connection between the contacts in the drive and
those in the USB connector.
2. If the error message description does not provide a solution, try pulling the USB Flash drive out and
plugging it back in, and then retry the procedure from step 6.
3. If failures persist, retry the procedure from the beginning with a different USB Flash drive.
•
NO USB DEVICE FOUND
o A USB device is not plugged into the USB port, J4, on the circuit board attached to the underside of
the keyboard panel.
•
USB COMMUNICATION ERROR
o The system is having unspecified problems communicating with the attached USB device.
•
UNSUPPORTED CONFIG DSCRPTR
o The ‘Configuration Descriptor’ data received from the USB device was too large to fit into the internal
buffer.
o This is an uncommon error that should only occur when using a non-standard USB Flash drive or
when the attached USB device is something else entirely.
•
UNSUPPORTED USB DEVICE
o The attached USB device has not been identified as a ‘Mass Storage Device’, which is the standard
classification for USB Flash drives.
o Check the state of the slide switch, S1, on the circuit board attached to the underside of the keyboard
panel. Make sure it is set to the ‘UPD’ position for performing the firmware update.
•
UNSUPPORTED LOG BLOCK LEN
o The ‘Logical Block Length’ reported by the USB Flash drive is not equal to the value, 512 bytes,
supported by the PICS firmware update program.
o This is an uncommon error that should only occur when using a non-standard USB Flash drive.
•
UNSUPPORTED NUM LOG BLOCKS
o The number of ‘Logical Blocks’ reported by the USB Flash drive exceeds the maximum number
supported by the PICS firmware update program.
o If the drive’s ‘Logical Block Length’ is the standard 512 bytes, this equates to approximately 2TB of
memory capacity.
PICS FIELD FIRMWARE UPDATE