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Thread: The High Unreliability and Poor Quality of " Festo " Components

  1. #1
    Join Date
    Nov 2009
    Location
    Moab, Utah
    Posts
    551

    The High Unreliability and Poor Quality of " Festo " Components

    Around December of 2018, I started seeing a massively high failure rate on magnetic Field sensors, P/N FESTO SMT-8M-A-NS-24V-E-0,3-M8D, as used on the Cask ACS canning machine.
    This series of failures has 99% been proven to be due to a change in the manufacturing specification of this part with attendant loss of reliability and grossly premature failure in wet and beer laden environments. Several changes in the package assembly were noted, all of which equate to a degradation of the product based on the results.
    The sensor in the wettest position which is the lift table cylinder was reifitted with an equivalent made by Turck and the problem was stopped cold.
    Water incursion into the festo product which never happened in the past is certain.
    Other problems with Festo include poor quality air and C02 regulators with high failure rates on the auto drains noted.
    Part numbers that are very difficult to reference even for Festo, and more.
    The question is why do so many OEMs seem to use this product under the seeming pretense that its somehow of high quality when it is most definitely not?
    If you are running a Cask ACS line, I advise using the alternative product for all repairs. Some of the failures on those sensors involved literal meltdown, which in real terms may not be good for the DC PSU depending on the protection on said outboard circuits. My experience with this brand has been nothing but trouble.

    With regards to the Pak Tech handle applicator machine the story is very much the same. Similar type magnetic field sensors were prone to very high and premature failure rates and were replaced with an alternative brand and the problems were stopped cold yet again.
    Warren Turner
    Industrial Engineering Technician
    HVACR-Electrical Systems Specialist
    Moab Brewery
    " No Cell Phone Zone."

  2. #2
    Join Date
    Aug 2010
    Location
    Enterprise, Oregon
    Posts
    1,929
    Tanks for the heads-up, Warren. We have several pieces of kit that use Festo sensors.
    Timm Turrentine

    Brewerywright,
    Terminal Gravity Brewing,
    Enterprise. Oregon.

  3. #3
    Join Date
    Aug 2018
    Location
    KY
    Posts
    2
    Warren,

    Emphatic yes with regards to those Festo sensors and the Cask ACS. As well we've also replaced the leads that connect to these sensor leads and go back into the panel. I don't know if the issue is water ingress at the connection between the two leads. If so then ideally those connectors should be away from the very wet areas but still exterior to the panel. IFM Efector makes a sensor that replaces these (and fits the same channel size-- bracket or cylinder channel) and I am tempted to give them a shot. Please tell me you have tried these and like them.

    Thanks

  4. #4
    Join Date
    Aug 2018
    Location
    KY
    Posts
    2
    Warren,

    Oh sorry didn't see your reference to Turck. Can you please share the part number on that sensor? And yes, the lift table sensor is the most frequent offender.

    Cheers

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