Haas 9906 alarm: Conveyor/chip auger failure

Haas detects overcurrent or a stalled motor on the chip conveyor / chip auger. It is an alarm from the PLC/machine area, and in the catalog it is listed as “Conveyor/chip auger failure”. On the machine you notice it like this: Auger oscillates back and forth, The conveyor stops, Alarm when activating chip evacuation.

On the shop floor it almost always comes from one of these causes: Chip accumulation, Obstruction or trapped part, Motor agarrotado, Capacitor de arranque defectuoso. Rule out the most likely one on your machine first, before touching parameters or swapping anything.

Reset after cleaning and checking it turns freely. Resetting without fixing the cause first only hides the problem: Haas 9906 trips again and, in the meantime, you keep working with the machine in bad shape.

With the machine stopped and in a safe state, start with these checks: Turn off the function before inspecting, Remove chips and obstructions manually with the machine stopped, Check the motor current if appropriate. That alone will tell you whether it is the program or whether you need to raise a maintenance job.

With Haas 9906 active, avoid this: Do not put your hands in with the auger running, Do not restart it repeatedly if it cycles on and off, Do not lever it free while energised. Skipping any of these points is what turns a minor stop into an expensive breakdown.

If it persists after cleaning or the motor heats up/does not start. If you are not sure how far it goes, stop the machine and report it: a repeat alarm always works out cheaper than a crash.

It is a warning: the machine carries on, but it is flagging something that will get worse if you let it go. Deal with it between parts, not at the end of the shift. Guidance reference. Always confirm the full text in the exact machine/control manual.