SCC Fault Isolation Manual 6/03/2020
Page 11 of 11 Rev. 01 9/20/2021
14. “[Boom/Remote/Rear] E-stop Error”
This error comes up when CPC3 senses a problem with the E-Stop circuit.
14.1. Single circuit E-Stop system (Uses two wires at each e-stop) one of the wires is shorted to ground. Trace the indicated system and look for the short.
14.2. Dual circuit E-Stop system (four wires at each e-stop): There are two causes for this error. Either one of the e-stop legs are shorted to ground or the E-Stop Switch is not switching both circuits at the same time. Use the schematic and check for a
short on both legs of the e-stop. If none is found, then replace the E-Stops.
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