KUKA robot emergency stop error — error codes to check

An emergency-stop chain that will not reset points to the E-stop circuit, safety board contacts or wiring. These fault codes narrow down which link of the chain is open.

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

• 217KRC EMERGENCY STOP
• 1200ACKNOWLEDGE EMERGENCY STOP
• 1220ACK EMERGENCY STOP DUE TO UNMASTERING
• 200WAITING FOR SERVO POWER-UP
• 1490COMPONENT CHECK FAULT

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 →