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KUKA Error 1520 — WIRE BREAK MONITORING OF THE ACTUAL VOLUME VALUE

Error

Displayed as KSS01520 on KRC4 / KRC5 controllers

KUKA 1520 (“WIRE BREAK MONITORING OF THE ACTUAL VOLUME VALUE”): The minimum current of the analog input channel for pressure acquisition is not reached (4 -- 20 mA interface). First check: Check the cables and the cable connections (connectors).

Updated 2026-09-09 · LogrobotLM reference

Cause

The minimum current of the analog input channel for pressure acquisition is not reached (4 -- 20 mA interface). Possible causes for the minimum current flow not being reached: -- loose cables (connectors). -- break in a cable conductor. -- defective current source. -- defective sensor.

Effect

Stop via braking ramp.

Troubleshooting

Check the cables and the cable connections (connectors). Check the current source. Check the sensor.

Related codes

1519WIRE BREAK MONITORING OF THE PRESSURE SENSOR1521SEGMENT CHANGE ERROR1518INCORRECT DEFAULT PARAMETER1522SELECTED AXIS CANNOT BE CALIBRATED

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 →