69Bend-Tech Dragon
Troubleshooting Guide
Mach3
09
light up the M4++Limit (instead of the M4-Limit/M4Home) since the machine is now sending a
signal from the A- sensor to the A+ port in the Control Box.
If the M4--Limit/M4Home is activated in Mach3, it indicates there is a problem with the cable.
If the M4++ Limit is activated in Mach3, it indicates there is a problem with the sensor.
10.16.4 Reading ESS LED Status Codes
The port where the Ethernet cable connects to the Ethernet Smooth Stepper board inside the
Control Box has colored status lights. Knowing the meaning of these status lights can help
diagnose connection problems between Mach3 and the Dragon.
ESS Board Status Lights
Light Status Denition Solution
Green Right
Two quick blinks Waiting for communication with Mach3 N/A
One second on, one
BootP mode
Remove the small
plastic jumper from the
BootP pins (JP1) and
power cycle the ESS.
See the image below.
The ESS board has lost its IP address
generate IP address
and power cycle the
ESS board.
Constant on
ESS mode - ESS has established
communication with the computer.
This is normal operating mode.
N/A
ESS Board Status Lights
Light Status Denition Solution
Red Left
On
Machine is in emergency state
(machine disabled)
Check E-stops
Red Right
Not Used N/A N/A
Green Left
ESS/PC communication N/A
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