Nah.... if anything, your hooking potential is amplified on the zigs imo. Your hook length/link is already tight to the lead i.e. there is no slack to take up. If/when Mr Carp takes the hookbait, it's immediately under tension unless he dives down which is extremely unlikely given what we know from the numerous underwater vids in circulation. Ergo, the likelihood is a hooked carp.
Zigs can give odd bites - sometimes screamers, sometime massive drop-backs, and sometimes those odd bouncing tips that you describe (which tbf you can visualise if you imagine Mr Carp flapping when he realises he's now attached to a lead system 6 ft below him), but I can almost guarantee you that changing to a 6 magnet roller will do absolutely nothing in terms of telling you if a carp is attached. They are either hooked or they are not.... I certainly wouldn't go hitting single bleeps without a visual indication that you've hooked one.
I would certainly change this before I changed the roller on the alarms buddy.