KUKA Error 1485 — OIL FILTER DIRTY
ErrorDisplayed as KSS01485 on KRC4 / KRC5 controllers
KUKA 1485 (“OIL FILTER DIRTY”): The hydraulic oil filter is dirty, with the result that the hydraulic pressure is insufficient. First check: Clean or replace the oil filter.
Updated 2026-09-09 · LogrobotLM reference
Cause
The hydraulic oil filter is dirty, with the result that the hydraulic pressure is insufficient. The check is performed from a PLC user program (bonding technology).
Effect
Stop via braking ramp. All active commands are inhibited.
Troubleshooting
Clean or replace the oil filter.
Related codes
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 →