The law in NSW on committee members who become unfinancial is that they have to inform the committee in writing that they are unfinancial but the Act specifically excludes them from being removed from the committee (see below).
35 Vacation of office of elected member of strata committee
(1) An elected member of a strata committee vacates office as a member … if the person was eligible to be a member at the time of election and the person ceases to be so eligible (other than because the person is an unfinancial owner),