GSC3000 & VRC2500 INSTALLATION & OPERATION MANUAL
APPENDIX D: TROUBLESHOOTING
140
I can't upload firmware to my
GSC3000 I/O unit or I can't
change the unit number.
(continued)
I can't upload firmware to my Voice
Interface.
I can’t upload I/O firmware to my
VRC2500.
I can't upload firmware to my
VRC2500.
The front panel LEDs blink green
and amber.
The power LED is lit and the unit
accepts programming, but the
Remote/Local LED is off.
The LEDs are solid Amber in color.
The unit's firmware needs to be
cleared and reloaded.
You are connected to the I/O unit.
You are connected using the wrong
cable.
You are not connected to the
DIRECT port on the VRC2500.
You are not using the correct cable
to make your connection.
The unit’s firmware needs to be
cleared and reloaded.
You are connected to the wrong
port.
You are connected using the wrong
cable.
There is hardware failure.
There is hardware failure.
There is hardware failure.
Engage the JP9 jumper (see
Appendix A) and power cycle the
unit. Remove the jumper, proceed
with the upload firmware process
and assign the unit number.
Make sure you are direct-connected
to COM1 on the Voice Interface.
Use the supplied null modem cable.
Connect to the DIRECT port.
Use the supplied null modem cable.
Engage the JP9 jumper (see
Appendix A) and power cycle the
unit. Remove the jumper, proceed
with the upload firmware process
and assign the unit number.
Make sure you are connected to
the DIAL-UP port.
Use the supplied null modem cable.
Contact Burk Technology customer
support.
Contact Burk Technology customer
support.
Contact Burk Technology customer
support.
If this happens....
It could be that...
Try this...
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