MOTOR GPELEC 4622784 - Caterpillar

Which Generate This Code:This diagnostic code is associated with the calibration of the lift valve and the tilt valve. The blade is moving too fast during the calibration procedure.System Response:When this diagnostic code is active the calibration procedure is terminated.Test Step 1. CHECK THE LASER TRANSMITTER
Verify that the laser transmitter setup is stable.Refer to Operation and Maintenance Manual, "Laser Transmitter Setup (Dual Mast system)"Expected Result:The laser transmitter setup is stable.Results:
YES - The laser transmitter setup is stable.Repair: Repeat the valve calibration. Be sure to reset the upper and lower limits for the calibration procedure to a wider span. Refer to Systems Operation, Troubleshooting, & Testing and Adjusting, "Bank valve (Grade Control) - Calibrate" for more information about the calibration procedure. Stop.
NO - The laser transmitter setup is not stable.Repair: Refer to the Operation and Maintenance Manual, "Setup Procedures" in order to ensure the laser transmitter setup is stable. Repeat the valve calibration. Stop.