warning Nos

Error Code Red LED flashes when pulling cord

Emergency stop activated by pulling red emergency lowering cord.

? What Causes This

Manual activation of emergency stop system by pulling the release cord.

How to Fix It

Re-set emergency stop manually as described. Check for obstructions and system integrity before use.

Source: page 12 of the official manual

From the manual

Manual page 12 — Nos error Red LED flashes when pulling cord

This error code appears in:

Nos C 450