The motor interface board stopped answering the control. The machine shut down to stay safe.
What causes Haas alarm 157?
Electrical noise or a loose cable between boards. Low or noisy power. Failing board.
How do I fix Haas alarm 157?
Power the machine off and on. Write down how often it happens and what was running. If it returns, a Haas tech should check the board, cables and power.
Alarm numbers and text can differ by control model, software version and machine builder. This page is a starting point from people who have worked on these machines, not a replacement for your machine builder's manual.
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