Safety Decals 
14
T1.4: Prohibited Action Symbols – Red Circles with Slash-Through
Symbol Description
Do not enter the machine enclosure when the machine is capable of 
automatic motion.
When you must enter the enclosure to complete tasks, press 
[EMERGENCY STOP] or power off the machine. Put a safety tag on 
the control pendant to alert other people that you are inside the machine, 
and that they must not turn on or operate the machine.
Do not machine ceramics.
Do not attempt to load tools with the spindle dogs misaligned with the 
cutouts in the toolholder V-Flange.
Do not machine flammable materials.
Do not use flammable coolants.
Flammable materials in particulate or vapor form can become explosive.
The machine enclosure is not designed to contain explosions or extinguish 
fire.
Do not use pure water as coolant. This will cause machine components to 
rust.
Always use a rust-inhibitive coolant concentrate with water.