SCC Fault Isolation Manual 6/03/2020
Page 5 of 11 Rev. 01 9/20/2021
Keypad:
• Provides controls for all non-boom functions that can be operated while in local mode.
• Located at rear of vehicle, near right-side hopper.
Maintenance Switch:
• Located on the side of the control panel.
• This switch puts the CPC3 system into bypass mode.
• CAUTION: Bypasses MOST safety features of CPC3. E-STOPS WILL NOT OPERATE.
• Keyed switch allows owner to remove this ability.
• Turns on all Dump Valves regardless of E-Stops.
• This switch is only intended as a backup incase a part of the CPC3 system has failed and is preventing normal operation.
o The unit should be fixed immediately to prevent damage to equipment and personnel.
• If the PLC is still operational, the throttle can be controlled via the “Maintenance Screen” by scrolling to “Engine RPM Control” and using the +/- Buttons.
o Throttle from rear keypad will not work.
• In Maintenance Mode the Radio remote will show “NO CAN BUS MESSAGES” and will not be operational.
• Stroke Limiter buttons will still work from rear keypad if the PLC is still operational.
Scanreco Radio:
• 915 MHz Mini 303 w/LCD
• “A” Light at top indicated the E-Stops are clear and the Hopper is closed. System is operating good.
• “C” Soft Stop condition – E-Stops are clear but a switch was not neutral first.
• “E” Light at top indicates an Error is present and it has not been acknowledged.
• Radio Signal Light is off when the radio is working normal. If the radio signal is poor, it will flash red. When it loses link, it goes to solid red.
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