KME 00 26S14MA002 is a 26‑inch industrial LCD monitor equipped with a capacitive touch panel used in process control or machine‑tool interfaces. Common failure modes on this class of units include power‑supply board faults (over‑voltage, capacitor leakage), backlight driver degradation, and touch controller IC failures that cause unresponsive or ghost touches; secondary issues often stem from connector wear or cable damage to the panel. First‑check diagnostics: verify 12 V/5 V rail continuity and output voltage levels with a multimeter, inspect the display panel for visible burn marks or loose connectors, and read any diagnostic LEDs or error codes displayed on the unit’s front panel or via its serial interface.[oss-gpt-20b]