KUKA teach pendant not working — error codes to check

A dead or unresponsive pendant involves its cable, its power feed and the controller-side link. These fault codes point to the failing side before you swap the pendant.

12 KUKA fault codes match this symptom — start with the most frequent ones below.

• 1052KCP: CAN--BUS ERROR
• 1217ACK SBX -- KCP CONNECTED INPUT
• 1218ACK SBX -- KCP INPUT NOT IN PLACE
• 1219ACK SBX -- KCP CONNECTED
• 1353WRONG KEY COMBINATION <KCP>
• KSS15002FSoE communication (KSP, SIB, smartPAD, PROFIsafe slaves)
• KSS15014smartPAD / cable / CIB link
• 1355ENABLING SWITCH REQUIRED
• 1363CONSOLE LOCKED
• KSS00364Mode selector / 27 V power supply of the PC (KPC) / CIB
• KSS01362Mode selection chain
• KSS15101SIB safe inputs / X11 wiring

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 →