TM 10-3930-675-10 0020 00-16 ERROR CODES - CONTINUED 0020 00 Table 4. Error Codes - Continued. ERROR CODE DISPLAY LAYOUT DRIVER ACTION ERROR CODE EXPLANATION VEHICLE LIMITATIONS 271 Press RESET Finish mission. Notify maintenance. Warning - Degraded Operation Left oscillation valve - short cir- cuit Cable to valve defective. Uncontrolled oscillation (leveling) may occur. 300 Stop Vehicle Shut engine off for 30 seconds then start vehicle. If code clears, resume mission. If code remains, notify maintenance. Stop Vehicle Immediately Steering system malfunction Steering computer - hardware error (EPROM, watchdog, reference voltages, etc.) No steering and driving functions are available. 301 302 303 304 305 306 307 308 Stop Vehicle Press RESET. Finish mission. Notify maintenance. Warning - Degraded Operation One    track    of    actual    value potentiometer out of range (e.g. cable interrupted) Wheel 1, track 1. Wheel 2, track 1. Wheel 3, track 1. Wheel 4, track 1. Wheel 1, track 2. Wheel 2, track 2. Wheel 3, track 2. Wheel 4, track 2. Stop vehicle by switching to neutral. Steering system will operate but is not redundant. 309 310 311 312 Stop Vehicle Abort mission. Notify maintenance. Stop Vehicle Immediately Both   tracks   of   actual   value potentiometer out of range Wheel 1. Wheel 2. Wheel 3. Wheel 4. Stop vehicle by switching to neutral. The faulty wheel is locked immediately. Other wheels remain operational.