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KUKA Error KSS12014 — External fan of the controller cabinet

Info

KUKA KSS12014 (“External fan of the controller cabinet”): “Speed of outer fan too low”: the outer fan of the controller cabinet is turning too slowly or not at all — fouling, worn bearing, or faulty tachometer measurement cable. Likely part: Cooling fan (Cooling fan).

Updated 2026-09-09 · LogrobotLM reference

Cause

“Speed of outer fan too low”: the outer fan of the controller cabinet is turning too slowly or not at all — fouling, worn bearing, or faulty tachometer measurement cable. The fan is a consumable; without it, the controller cabinet overheats.

Part to check / replace

KUKA KSS12014 points to the hardware below — start here before ordering.

Tap a part for every code that points to it — and verify the exact variant for your controller before ordering.

Related codes

KSS00126Servo drive (KSD/KSP) + mechanical drive train of the axisKSS00276Machine data vs hardware (RDC/EDS, disk)KSS00364Mode selector / 27 V power supply of the PC (KPC) / CIBKSS01146Motor / axis brake / servo drive

Indicative field information — the robot manufacturer's manual and safety procedures always prevail. Never bypass a safety device; apply lockout/tagout (LOTO) before any physical intervention. How this reference is built →