Master fader not working with channels why?

[FLX 45]

"FLX running recent ZerOS update. Grand Master fader has no effect on channel faders in Channels mode. Previously used Grand Master to blackout all channels during a show. Individual channel faders work correctly. Playback faders also not responding to Master fader. Has Grand Master behaviour in Channels mode changed in a recent update? How do I restore this functionality?"

[LLuk]

Hello

is your Grand Master Fader set to Grand Master? (Hold Setup - press Blackout Button - tab Grand Master in the Fader Function)

[kgallen]

@RJP / @DMH this looks like an FLX query rather than FLX S. Would you be able to move to the FLX forum? Thanks.