Fanuc A13B-0191-C012 touch screen

The Fanuc A13B‑0191‑C012 is a TFT touch‑screen display module for the I‑Series CNC controller, providing operator interface and status readout. Common issues with this model include screen flicker or blanking due to cracked glass, power‑supply voltage drops, or loose backplane connections; it may also exhibit touch response failures from capacitive layer degradation. First‑check diagnostics: verify 24 VDC supply to the display board, inspect for visible cracks or moisture on the glass panel, and confirm all ribbon cable connectors are seated and free of corrosion. If power is stable and physical inspection is clean, review any error codes logged in the controller’s diagnostic log for display‑related faults.[oss-gpt-20b]

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