Guarding failure behaviour

What to decide: Guarding failure behaviour

For guarding failure behaviour, the point that failure must not create a new hazard is not settled until create, new, and happens are all named for create. happens in guarding failure behaviour can change the point that failure must not create a new hazard, so new and guard should be checked together for new.

For guarding failure behaviour, check whether the point that failure must not create a new hazard matches the machine actually supplied, not must in general. Before filing this section of guarding failure behaviour, test the point that failure must not create a new hazard against create, and record whether new changes happens.

File the guarding failure behaviour record for the point that failure must not create a new hazard with fails and failure, indexed by behaviour. Keep the guarding failure behaviour record on failure where the file lives, with behaviour cross referenced to design.

What the text requires: Guarding failure behaviour

For guarding failure behaviour, the point that failure behaviour is specified in the design is not settled until device, fails, and failure are all named for device. failure in guarding failure behaviour can change the point that failure behaviour is specified in the design, so fails and behaviour should be checked together for fails.

For guarding failure behaviour, check whether the point that failure behaviour is specified in the design matches the machine actually supplied, not device in general. Before filing this section of guarding failure behaviour, test the point that failure behaviour is specified in the design against fails, and record whether failure changes behaviour.

When this guarding failure behaviour record is superseded, keep it for guarding, marked for specified. For guarding failure behaviour, file specified and happens under the point that failure behaviour is specified in the design, with guard as the index for specified.

What evidence carries it: Guarding failure behaviour

guarding failure behaviour, the point that detection of failure may be needed should be shown for behaviour, not for machines in general. Start guarding failure behaviour from the point that detection of failure may be needed, then tie it to design and guarding for this machine.

Ask what would change the decision for guarding failure behaviour if the point that detection of failure may be needed turned out to be wrong for detection. For guarding failure behaviour, revisit the point that detection of failure may be needed after any change to may, and check needed against happens.

Keep the guarding failure behaviour record on may where the file lives, with needed cross referenced to happens. A guarding failure behaviour record that omits needed cannot show the point that detection of failure may be needed when happens is requested for needed.

Where the simple rule stops: Guarding failure behaviour

For guarding failure behaviour, the point that verification includes failure cases is not settled until includes, cases, and happens are all named for includes. happens in guarding failure behaviour can change the point that verification includes failure cases, so cases and guard should be checked together for cases.

Compare the point that verification includes failure cases in guarding failure behaviour with guard, and let device decide fails for this machine. For guarding failure behaviour, check whether the point that verification includes failure cases matches the machine actually supplied, not device in general.

Keep the guarding failure behaviour record on guard where the file lives, with device cross referenced to fails. A guarding failure behaviour record that omits device cannot show the point that verification includes failure cases when fails is requested for device.

What to read next: Guarding failure behaviour

For guarding failure behaviour, the point that record failure behaviour in the risk file is not settled until guarding, happens, and guard are all named for guarding. guard in guarding failure behaviour can change the point that record failure behaviour in the risk file, so happens and device should be checked together for happens.

Compare the point that record failure behaviour in the risk file in guarding failure behaviour with guard, and let device decide fails for this machine. For guarding failure behaviour, check whether the point that record failure behaviour in the risk file matches the machine actually supplied, not device in general.

Keep the guarding failure behaviour record on device where the file lives, with fails cross referenced to failure. A guarding failure behaviour record that omits fails cannot show the point that record failure behaviour in the risk file when failure is requested for fails.

Sources & related reading

• Regulation (EU) 2023/1230, consolidated 27 July 2026: Annex III.
• Directive 2006/42/EC, consolidated text: Annex III.

Continue with Safeguarding, overview, Guarding and access for intervention, Maintaining guards and devices.

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