Otis 211 Hydro

Guest · 2020-12-02T18:18:00Z

Having an issue with this unit. Keeps going down every other day. So far has gone down 3 times since 11/25/20. Faults have been ULFB. SHD.DMFB. SHD.UMFB SHD. All of them reset easily and it runs after. Any ideas what I should be looking to or for for the possible issue here? My first impression is these are valve coil/valve related issues. But I have taken apart and cleaned the screens and stem seats. No change in observable operation. Any thoughts anyone?

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Technical Questions

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elmcannic

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18/12/2020 12:37 am

Is RECF a “recycle” fault? Otis’ version of viscosity control?

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Jblack83

(@Jblack83)

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Topic starter 18/12/2020 7:11 am

That would help explain the other Valve related faults... Our next step is replacing the valve. Will see how that goes.

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Jcjphoenix

(@Jcjphoenix)

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18/12/2020 9:54 am

Sounds like your bypass isn’t set right and car is moving when it goes into “recycle” mode.

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