Operation and Maintenance Manual Rev M(ii) 4/03
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Fault Recovery
Recovering from Emergency Stop and Other Machine Errors
If the operator uses one of the EMERGENCY STOP push buttons or the machine encounters a system error,
this procedure should be followed to return the machine to the Cycle Stop state.
NOTE: The PVA250™, PVA750™, and PVA2000C models will require the workcell to rehome after
recovering from and EMERGENCY STOP, or any other error.
WARNING If the EMERGENCY STOP was activated because of system failure, DO NOT
release the EMERGENCY STOP. Shutdown the system and have qualified personnel repair the
machine.
Emergency Stop. Reset button
to continue the program.
F1 F2 F3 F4 F5 F6 F7 F8
1) After reset, press F1 to return the head to the standby position. The screen returns to Cycle Stop.
Press F1 to return head to standby.
OK
F1 F2 F3 F4 F5 F6 F7 F8
2) Correct the fault which prompted the operator to emergency stop the machine (open the door, etc).
3) Open the access door.
4) Remove all parts from the work area. Determine which parts can be re-worked and put them in the
input queue.
5) Close the access door.
6) Follow the Startup Procedure.
Recovery from a door error, resulting from a door being open while the DOOR BYPASS switch is in the
OFF position, is handled in a similar manner as an emergency stop. Depending upon the machine setup,
other errors could occur, such as low air pressure, low material flow or insufficient exhaust air flow. As
with an emergency stop, these errors should be corrected first, then the operator should follow the startup
procedure to continue.
Examples of the other possible error screens:
Door Error Low Air Pressure
Left Door open. Close
to continue the program.
F1 F2 F3 F4 F5 F6 F7 F8
Air Pressure low. Repair
to continue the program.
F1 F2 F3 F4 F5 F6 F7 F8
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