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Smart Home Forum by FIBARO Team

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Dimmer 2 doesn’t dim



I installed the dimmer 2 with a bypass to dim a rail with sqube spots from Wever & Ducré.  I can switch the spots on and off, but I cannot dim them.  I have already adjusted parameters 13 and 30 (and also 1 and 2) but that does not work.  When I remove the bypass, the first 2 spots (of the 6) flash when the dimmer is off.  The dimmer is connected with 3 cables.  
Does anyone have a solution?

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Keep the bypass, and 3 cable setup.


After you do a calibration (Parameter 13), what does parameter 33 (dimmability) report?  And is parameter 32 set to allow dimming?

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  • Parameter 33 (dimmability) report: 0 (Load recognized as dimmable). Parameter 32 is set to 2 (mode selected automatically). I change this parameter to 0 (on/off mode disabled (dimming is possible)). That makes no difference.

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    Seems you have those parameters set correctly.  Will have to wait and see if someone else can help.  Matching dimmers and drivers and bulbs can sometimes be hard work!

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