September 2016 Service and Repair ManualPlatform ControlsPart No. 1268556 25How to R es et a Proportional Val ve Coil D efaultHow to Reset a Proportional ValveCoil DefaultNote: Use the following chart to identify thedescription of each LCD screen control button usedin this procedure.Plus Minus Previous EnterNote: This procedure only needs to be performed ifa proportional valve has been replaced.Note: After the valve coil defaults have been set,each machine function threshold and defaultfunction speed must be set. Refer to RepairProcedure, How to Set the Function Thresholdsand Default Function Speeds.1 Turn the key switch to the off position.2 Press and hold the enter button on the groundcontrol panel while turning the key switch toplatform controls. Hold the enter button forapproximately 5 seconds.3 Press the minus button twice, then press theenter button twice.4 Use the previous button to scroll through themenu until the function valve that needs to bereset is displayed. Press the plus button toselect yes, then press the enter button to savethe setting.5 Press the enter or previous button on theLCD screen until EXIT is displayed.6 Press the plus button or minus button toselect YES and then press the enter button.How to Set the F unction T hresholds and D efault Func tions SpeedsHow to Set the FunctionThresholds and Default FunctionsSpeedsNote: Before the threshold and default functionspeeds can be set, the boom function proportionalvalve coil defaults must be set first. Refer to RepairProcedure, How to Reset a Proportional Valve CoilDefault.Note: If a boom function proportional valve coil hasnot been replaced and just want to reset thefunction speed to original factory settings, proceedto Function speeds procedure.1 Start the engine from the platform controls.2 Press down the foot switch.Note: Be sure the engine rpm is set to foot switchactivated high idle.Function threshold:3 Select a joystick controlled function that needsto have the threshold set.4 Slowly move the joystick off center in eitherdirection just until the machine function startsto move, then move the joystick very slowlytowards the neutral or center position justbefore the machine function stops. Do not letgo of the joystick.5 While holding the joystick in position, press theengine start button at the platform controls toset the joystick controller threshold.
