Fault Phenomenon: Genie articulating boom after plugging in the charger, the charger indicator does not light up, battery voltage does not change.

Troubleshooting Process:
– Checked charger output: no voltage output.
– Checked onboard charging socket: pins burnt.
– Checked fuse: main fuse blown.
– Replaced charging socket and fuse, repaired charger.

Root Cause: The charging circuit fuse blew and the socket had poor contact.

Required Parts: Charging socket, fuse.