penn65000 Posted October 2, 2017 Share Posted October 2, 2017 I noticed since the upgrade to 2.10 that one of our dozens of dimmer switches autodetects to forward phase (when all others autodetect to reverse phase). When I forced this one outlier to reverse phase on composer HE, then turned it back to autodetect, it chose reverse phase. Two questions: a) why did one dimmer detect a different way than all the others? Bulbs are similar and wiring done by same electrician; and b ) why does the dimmer autodetect to the phase chosen prior to putting it on auto? Matt can you help? Is this a safety issue. Also note the MAY have been the case prior to OS upgrade but noticed it only afterwards. Link to comment Share on other sites More sharing options...
vitali Posted October 3, 2017 Share Posted October 3, 2017 some types of loads can work in both way (incandescent, some LEDs) , some in forward only, some in reverse phase only (any changes, if person doesn't know what is going on, can damage load or dimmer). If your load is "incandescent", so it can be detected as forward. Link to comment Share on other sites More sharing options...
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