REV ESection 4 • Repair ProceduresJuly 2007Part No. 72863 GS-3390 • GS-4390 • GS-5390 4 - 11PLATFORM CONTROLSbfeacdON (1)1 2 3 4 5 6 7 8ON DIPOFF (0)1-4Software Configuration(before serial number GS9003-41523)How to Configure the SoftwareThe Electronic Control Module (ECM) containsprogramming for all configurations of the GS-90.Models before serial number GS9003-41523 canbe adjusted to a different configuration by changingthe combination of the DIP switch settings, locatedon the circuit board inside the platform control box.DIP switches have two positions - on or off. Whenreading the DIP switch code in theDIP SwitchCodes Chart on the next page, the on and off arerepresented by the numbers 1 (on) and 0 (off).Note: If replacing the circuit board, note the togglepositions on the DIP switch. Set the DIP switch onthe new circuit board to the same configuration asthe old one.1 Push in the red Emergency Stop button to theoff position at the ground and platform controls.Turn the key switch to the off position.2 Remove the fasteners securing the lid of theplatform controls and open the platform controlbox.3 Rotate the platform controller box in the positionshown to correctly identify the configuration ofthe DIP switch settings.4 Open the controller box lid and locate the DIPswitch on the circuit board. Move the DIPswitch settings to correspond with theconfiguration of the machine options, indicatedin the chart. See 1-4,DIP Switch Codes Chart.a red Emergency Stop button P2b DIP switch SW25c platform control boxd enlarged view of DIP switch SW25e circuit board U3f joystick controller JC15 Apply dielectric grease to the DIP switch aftersetting the configuration.6 Close the lid and install the platform control boxlid fasteners.
