HP Designjet Z6100 Printer series - Page 25

Using the Power Switch LEDs to Troubleshoot 15
Troubleshooting
2. Check the other end of the CAN cable is also correctly connected
3. Check the LEDs under the OMAS board.
Using the Power Switch LEDs to Troubleshoot
In certain circumstances, the LEDs located on top of the power switch (located at the rear of the Printer)
can help to troubleshoot the Printer. The LEDs can either be ON or Off and using different combinations
can indicate different problems:
This LED only comes on for the first
20 seconds after the printer is
turned On. When the firmware has
succesfully loaded into the memory
the LED will switch OFF.
These LEDs come On and stay lit.
From right to left:
1st LED=24 volts
2nd LED=5 volts
3rd LED=3.3 volts
Amber is on the Left
Blue is in the center
Green is on the Right
Make sure you look directly at the LEDs
and not at an angle.