Applies to machines built from: February, 1997
This procedure tells you how to replace a 20 hp or a 40 hp vector drive.
Caution: Make sure you correct the root cause of the vector drive failure before you power on the new vector drive. Failure to correct the root cause of the vector drive failure can cause the new vector drive to fail. Refer to the Haas Vector Drive Troubleshooting Guide.
Caution: When you do maintenance or repair on CNC machines and their components, you must always follow basic safety precautions. This decreases the risk of injury and mechanical damage.
Danger: Before beginning any work inside the control cabinet the High Voltage indicator light on the 320V Power Supply / Vector Drive must have been off for at least 5 minutes.
Some service procedures can be dangerous or life-threatening. DO NOT attempt a procedure that you do not fully understand. If you have any doubts about doing a procedure contact your Haas Factory Outlet (HFO) and schedule a service visit.
Push [POWER OFF].
Set the main circuit breaker to the [OFF] position. Lock the main circuit breaker.
Danger: After turning off the machine, wait at least 5 minutes before working in the control cabinet, to allow power to dissipate. Wait for the voltage indicator LED on the vector drive to go off completely.
Set the main circuit breaker to the ON position.
Push POWER ON.
Classic Haas Control
Change parameter 57:29, INV BUSS PWR FAULT to 1.
For machines with lathe software versions 7.02, 8.04, 8.05, and 8.06: Change parameter 712, VDI/MINI P.S. TYPE to 2.
For machines with mill software versions 14.05, 15.04, 15.05, and 15.06: Change parameter 712, VDI/MINI P.S. TYPE to 2.