LX 485 stopped dead and will not run

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Good Evening I have a New Holland Skid Steer LX 485 . I was useing it the other day while cleaning the barnand all of a sudden everything hydraulic stopped and shut off. When it stopped it was like I hit a brick wall. I can not move the arms or the machine. The engine shuts down after 30 seconds in the run mode and in service mode it runs with out shutting down. i checked all the fluids, the seatbelt switch and the switch under the seat. I have checked the all the fuses and relays, which i replaced the relay due to some corrostion. i ordered a service manual but will not be here for a few days. I plan on checking the hydrualic pressure and trying to find out how to check the fule solenoid. Any hints or suggestions would be helpful thank you!