LogrobotLM

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KUKA Error 1558 — CHANNEL MUST BE OPENED/CLOSED

Info

Displayed as KSS01558 on KRC4 / KRC5 controllers

KUKA 1558 (“CHANNEL MUST BE OPENED/CLOSED”): The channel parameters used when the channel was occupied do not match the current channel parameter. First check: Close the channel before occupying it.

Updated 2026-09-09 · LogrobotLM reference

Cause

The channel parameters used when the channel was occupied do not match the current channel parameter.

Effect

None.

Troubleshooting

Close the channel before occupying it.

Related codes

1557CHANNEL FULL1559WRONG CHANNEL1556SINEC L2 BUS CHANNEL NOT OPEN1560CHANNEL CLOSED

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 →