75Bend-Tech Dragon A150
Troubleshooting Guide
Mach3
16
Other Mach3 Errors
Invalid Bootloader Signature
When Mach3 displays this error it means it has not been able to communicate with the ESS
correctly. In the case of an Invalid Bootloader Signature message, close Mach3, cycle power to
CryptoMemory Error
On rare occasions Mach3 will display an error that reads, “The CryptoMemory did not provide
power at the green connector on the ESS board. It should show 5VDC with no ripple. Check
for ripple by changing the meter to AC volts. If power is good it is likely a bad ESS board.
Symptom Cause Corrective Action
Homing switch active in
Mach
Homing switch triggered;
homing switch failed
Check homing switches; re-route
homing switch wires to bypass each
homing switch until the problem switch
is found.
M1++ limit switch error
during operation
Faulty control box
Possible relay failure. Call Bend-Tech
service technician.
Error In Mach/faulty
circuit boards
Failure within Operator
panel
Check to ensure ribbon cable is
securely connected; check Ethernet
connection; ensure Breakout Board is
seated properly.
“Watchdog triggered”
error
Bad cable connecting
Operator Panel to Control
Box
Replace 25 pin port cable
“Invalid Bootloader
Signature” error
Mach3 was not shut down
and has not released the
ESS board.
Close Mach3, power down the
machine. Power up the machine,
restart dragon software, restart
Mach3.
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