Issue link: http://alpine.uberflip.com/i/577798
22 AutoSet C4 ™ P R O D U C T M A N U A L EN 7. Troubleshooting C O N D I T I O N C A U S E C H E C K C O R R E C T I O N 7.1 Gantry will not move Circuit breaker tripped Short circuit, excessive starting and stopping of Gantry head(duty cycle 3 starts/minute). Reset circuit breaker in the power distribution panel. Call a qualied electrician to replace the breaker. Overload tripped Short circuit, excessive starting and stopping of Gantry head. Reset overload in Gantry operator panel Call qualied electrician to replace the overload. Disconnect switch o The electrical disconnect switch on the operator side of the gantry. Turn on the disconnect switch. Limit switch tripped Check for obstructions that could trip the switch. Clear any obstructions and press the reset button. Brake not releasing Check the brake for binding and check the power going to the brake unit. Repair/replace defective parts. Call qualied electrician to diagnose and resolve the electrical issue. Coupler between motor and gearbox failed Check coupler for damage, missing key stock. Replace the coupler. 7.2 Gantry head travels excessive distance after joystick is released Drive chain is loose Check the drive chain tension. Tighten drive chain to specications (Section 6.1). The brake is not holding Check the brake for worn friction plates, missing key stock, broken coupler. Adjust the brake (Call Alpine Technical Support). 7.3 Gantry strains going over connector plates or wood jumps out of the jig Improper clearance between roller and table. Plate embedment. Call Alpine Technical Support. 7.4 Plates fall o truss after Gantry has pressed Truss Improper clearance between roller and table Plate embedment. Call Alpine Technical Support. Center support legs are not tight to the oor Loose center support leg adjustment bolts. Loosen jam nut and tighten adjustment bolt tight to the oor. Tighten jam nut (Section 6.9). 7.5 Truss liftouts and receivers not operating (full group/table) No/Low air pressure Check air pressure gauge at lter/ regulator/lubricator. Adjust air pressure to 100 PSI. Truss not set up in program (liftouts not highlighted) Check computer screen for highlighted liftouts. Re-set up truss on the computer No signal getting to computer Maintenance screen I/O diagnostic page for signals from switch and Joystick. Call qualied electrician to diagnose electrical issue. Contact Alpine Technical Support. Contactor in table electrical enclosure for liftout control is not pulled in Check for E-Stop pushed in. Check if contactor is pulled in. Reset E-Stop. Call qualied electrician to diagnose electrical issues. Motion drive for liftout control defective or needs to be reprogrammed Call Alpine Technical Support.