The Camac XTC CMO/Color/CRT controller‑monitor (Cincinnati Milacron model 1‑288‑0026) is a dedicated industrial display unit that drives a CRT panel and interfaces with process controllers. Common failure modes include backlight lamp burnout, power‑supply voltage drops or ripple on the monitor’s DC rails, defective video‑output capacitors or ICs on the board, and loose or corroded connector pins between the controller and the CRT. First‑check diagnostics: verify that the unit receives correct 24 V/48 V input (or specified rail) with a multimeter, inspect the display board for burnt components or cracked solder joints, and test the video signal by connecting a known‑good source to the monitor’s input; review any error codes displayed on the control panel.[oss-gpt-20b]