Designing data centre M&E: DfMA and an integrated approach

– despite looking almost identical.

Using the machine this way allows the union where the wire goes into the plug to be pulled and flexed in a manner it was never designed to do..The flex then breaks internally, and invisibly, here:.

It can be the case that the break isn’t absolute.So it is possible to sometimes put a test meter on it and get continuity.But when the machine is turned on it won’t work as that continuity isn’t enough to allow for the load a motor draws..

Your electrician or in-house maintenance man needs to wiggle the plug above.while his test meter is connected to each terminal in turn,.

and that will usually reveal the break in continuity.

If you have more than one Sebo Evolution, try a flex from another machine that works.. On several occasions, we have had machines returned as ‘faulty’ where the electrician or in-house maintenance man has emphatically asserted that the flex isn’t faulty because he got continuity on a test meter.top of the range Pet black Sebo X7. )

to a navy blue or white machine.So if you want a Boost button or indeed a headlight, the Pet model is your only choice..

If you are planning to buy white model X7, it does not come with the dusting brush, it only comes with two on-board tools: upholstery and crevice.We would recommend adding a dusting brush if you are buying a white machine and to do this you would add.