Check the listing for details. Treadmill Control Board Compatible With PF-905 for Cardiotech x9 Treadmill. Condition: New. Listed at 95.50 USD. Treadmill Control Board Compatible With PF-905 for Cardiotech x9 Treadmill Package include replacement Controller *1PCS Specification 1. Part number: PF-905 2. Application: for treadmill 3.110V/220V 4. Condition: New Warranty 90 days warranty. Confirm Right Board Pls noted, this controller have serveral types. Pls send us a photo of your original/old board for confirmation before place an order, thank you! How to determine the failed controller E01: communication failure, sensor failure; E02: you'd better test the motor first to check if there is any problem with motor, if motor work normal, then need to change controller. E03: Sensor fault; treadmill will run few seconds then show E03; E04: usually over-current fault, this situation is generally burned components on the controller; E08: May be lift motor control fault.