Fault Phenomenon: Manitou 160ATJ articulating boom aerial work platform turning the key has no response, instrument lights not on.

Troubleshooting Process:
– Checked battery voltage: voltage 0V.
– Checked battery switch: switch turned off or damaged.
– Checked main fuse: main fuse blown.
– Checked ground wire: ground wire corroded and open circuit.

Root Cause: The battery main switch internal contacts are burnt and open circuit, or the main fuse blew due to a short circuit.

Required Parts: Battery main switch or main fuse.