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KUKA Error 1587 — APPLICATION RELATIONSHIP LOST (SERVER)

Info

Displayed as KSS01587 on KRC4 / KRC5 controllers

KUKA 1587 (“APPLICATION RELATIONSHIP LOST (SERVER)”): The application relationship to the file server has been interrupted or canceled. First check: Check the transmission path between the robot controller (ACR) and the file server.

Updated 2026-09-09 · LogrobotLM reference

Cause

The application relationship to the file server has been interrupted or canceled.

Troubleshooting

Check the transmission path between the robot controller (ACR) and the file server.

Related codes

1588PATH NOT ALLOWED1583<SER_1> BLOCK LENGTH ERROR1591THE MINIMUM MUST BE SMALLER THAN THE MAXIMUM1582KINEMATIC ASSIGNMENT NOT ALLOWED

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 →