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Saturday 18 November 2017 at 18:33
Run a full test of everything: Switch, Lamps, flashers, solenoids, etc. This could be a symptom of a bigger issue.
Check to see if power is coming off of the bi-directional board... the connector to the motor is famous for causing a break.
Run a continuity test (power off) from the bi-directional ...
Source: http://pinside.com/pinball/forum/topic/doctor-who-mini-playfield-wont-move-at-all#post-4079791