1. A handheld maintenance module comprising: a display unit capable of generating video images; a wireless transceiver device capable of wireless data transmission and reception, said wireless transceiver device adapted to be wirelessly coupled to a maintenance controller; and a module controller operatively coupled to said display unit and said wireless transceiver device, said module controller comprising a processor and a memory operatively coupled to said processor, said module controller being programmed to allow a person to receive a gaming unit maintenance work order, said gaming unit maintenance work order representing a request for a repair of a gaming unit, said module controller being programmed to cause a video image representing said gaming unit maintenance work order to be displayed on said display unit, said module controller being programmed to cause a video image of one or more instructions to repair said gaming unit to be displayed, said module controller being programmed to allow said gaming unit maintenance work order to be closed upon completion of said repair of said gaming unit, and said module controller being programmed to forward repair data to said maintenance controller, said repair data representing repair information generated during said repair of said gaming unit.