KUKA Error 1355 — ENABLING SWITCH REQUIRED
Displayed as KSS01355 on KRC4 / KRC5 controllers
KUKA 1355 (“ENABLING SWITCH REQUIRED”): The enabling switch was not pressed. First check: Press the enabling switch. Likely part: KCP (KCP teach pendant (KUKA Control Panel)).
Updated 2026-09-09 · LogrobotLM reference
Cause
The enabling switch was not pressed. Several keys were pressed simultaneously on the KCP. In modes T1 or T2, one of the enabling switches on the back of the KCP must also be pressed when the start keys (forwards [+] and backwards [--]) or one of the direction keys are pressed.
Effect
The command is not processed.
Troubleshooting
Press the enabling switch.
Part to check / replace
KUKA 1355 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
Same hardware involved
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 →