KUKA Error 1486 — OIL TEMPERATURE TOO HIGH
ErrorDisplayed as KSS01486 on KRC4 / KRC5 controllers
KUKA 1486 (“OIL TEMPERATURE TOO HIGH”): The maximum permissible temperature for the hydraulic oil has been exceeded. First check: Wait until the hydraulic oil has cooled down.
Updated 2026-09-09 · LogrobotLM reference
Cause
The maximum permissible temperature for the hydraulic oil has been exceeded. The check is performed from a PLC user program (bonding technology).
Effect
Stop via braking ramp. All active commands are inhibited.
Troubleshooting
Wait until the hydraulic oil has cooled down. If this state occurs frequently, check the hydraulic unit.
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 →