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KUKA Error 1553 — CHANNEL CANNOT BE OPENED/CLOSED

Info

Displayed as KSS01553 on KRC4 / KRC5 controllers

KUKA 1553 (“CHANNEL CANNOT BE OPENED/CLOSED”): An attempt was made to open a SINEC H1 channel on the operator's initiative using an OPEN command, or to close the channel with a CLOSE command. First check: None; the SINEC H1 channels are opened and closed automatically.

Updated 2026-09-09 · LogrobotLM reference

Cause

An attempt was made to open a SINEC H1 channel on the operator's initiative using an OPEN command, or to close the channel with a CLOSE command.

Effect

None.

Troubleshooting

None; the SINEC H1 channels are opened and closed automatically.

Related codes

1552CHANNEL ALREADY OPEN1555INCORRECT OR INCOMPLETE CHANNEL PARAMETER1550NO MORE DATA/VARIABLE USED SEVERAL TIMES1556SINEC L2 BUS CHANNEL NOT OPEN

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 →