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Danger Automatic Machinery May Start Without Warning Signs
Danger Automatic Machinery May Start Without Warning Signs warn you that equipment may restart, cycle or move unexpectedly. They help operators, engineers and visitors stay alert around conveyors, plant, cabinets and automated machinery where delayed or remote start-up could cause harm.
Where Danger Automatic Machinery Signs Should Be Fitted
You should install this sign at machinery entrances, guarding points, control cabinets, conveyor access points, plant rooms and maintenance doors. Position it before people reach moving parts so the warning is seen before hands, tools or clothing enter a start-up risk area.
Viewing Distance Guidance For W018 Machinery Warnings
Choose the size by how early you need people to react. Use A4 near doors and cabinets, A3 for machinery approaches and A2 where forklifts, noisy production lines or wider walkways mean the message must be read sooner.
| Size | Best use | Practical viewing distance |
|---|---|---|
| H 297 x W 210 mm | Cabinet doors, guards, close machinery access | Up to 6 metres |
| H 420 x W 297 mm | Production lines, plant rooms, operator approaches | Up to 10 metres |
| H 594 x W 420 mm | Large machinery bays, wider walkways, vehicle routes | Up to 18 metres |
What This Automatic Start-Up Warning Helps Change
This sign supports safer behaviour before people open guards, work near conveyors or inspect controlled equipment. It reminds you not to assume silence means machinery is isolated, helping reinforce checks before access or maintenance begins.
Automatic Start-Up Warning Sign Technical Details
- Sign message: Danger Automatic Machinery May Start Without Warning
- EN ISO 7010 code: W018
- Symbol meaning: Automatic start-up
- Conforms to EN ISO 7010
- Conforms to BS 5499 sign regulations
- Sign type: hazard warning
- Shape: rectangle
- Orientation: portrait
- Background colour: yellow
- Text colour: black
- Symbol colour: black
- Pictogram: automatic start-up icon inside warning triangle
- Materials: rigid plastic or self-adhesive vinyl
- Finish: glossy film surface
- Non-photoluminescent
- Non-reflective
- Size: H 297 x W 210 mm
- Size: H 420 x W 297 mm
- Size: H 594 x W 420 mm
- Supplied as: single sign
- Material thickness: various
- Display area: indoors or outdoors
- Fitting: wall, door, cupboard or cabinet mount
- Fixing: vinyl adhesive backing, rigid plastic fixings separate
Fitting Advice For Automatic Machinery Start-Up Hazards
❌ Fitting the sign after the access point instead of before the hazard
❌ Placing it where open guards, doors or stock can hide the message
❌ Using a small size on wide approaches where people need earlier warning
❌ Do not rely on it as a substitute for lockout or isolation procedures
❌ Do not use it alone where access must be physically restricted
❌ Do not fit it to dirty, wet or uneven surfaces if using adhesive vinyl
✅ Mount at eye level before hands or tools can enter the risk point
✅ Use rigid plastic where impact, cleaning or outdoor exposure is likely
✅ Repeat the sign on more than one approach to larger automated lines
Danger Automatic Machinery May Start Without Warning Signs questions answered
What does this automatic machinery warning sign mean? It tells people that machinery may start, move or cycle without an obvious local warning, so they should stay alert and follow isolation procedures before reaching into equipment.
Where should I use a W018 automatic start-up sign? Use it near conveyors, guarded machinery, automated doors, control cabinets, plant rooms, production lines and maintenance access points where start-up could be delayed, remote or sensor-triggered.
Do I need this sign if my machinery already has guards? Yes, guards reduce access risk, but the sign still warns people before they open, bypass or work near equipment that may restart unexpectedly.
Which material should I choose? Choose self-adhesive vinyl for clean indoor doors or smooth cabinets. Choose rigid plastic when you need a more durable sign fixed to walls, posts, cupboards or machinery surrounds.
Is the W018 symbol suitable for automatic start-up hazards? Yes. W018 is the EN ISO 7010 automatic start-up warning symbol, making it suitable where people need a recognised visual warning before approaching automated machinery.
Danger Automatic Machinery May Start Signs: Features And Benefits
- ✓ Uses the ISO 7010 W018 automatic start-up warning symbol
- ✓ Clear danger wording for unexpected machinery movement
- ✓ Available in rigid plastic and self-adhesive vinyl
- ✓ Three portrait sizes for close, medium and wider visibility
- ✓ Helps you warn people before they approach powered equipment
- ✓ Supports safer maintenance decisions around delayed restarts
- ✓ Gives visitors a fast visual cue in noisy production settings
- ✓ Lets you match the format to doors, guards and plant access
Related warnings for automatic machinery
If you need the same warning in a wider orientation, compare the landscape automatic machinery warning sign. It lets you choose the format that works better with the available mounting space.
Where people are actively working on equipment, consider men working on machine portrait signs. The wording focuses attention on work being carried out rather than automatic starting alone.
For a more general operating hazard, look at moving machinery warning signs. They can provide a closer match where machinery movement itself is the main issue.
To assess alternative warnings before deciding, browse our industrial machinery safety signs. This gives you a wider choice of messages for different machinery hazards.
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