Fault Phenomenon: Dingli GTBZ32 telescopic boom aerial work platform management system shows GPS offline, unable to remotely monitor location.
Troubleshooting Process:
– Checked GPS antenna: antenna blocked or damaged.
– Checked SIM card: account overdue or poor contact.
– Checked communication module: module power supply abnormal.
– Checked signal strength: no signal in operating area.
Root Cause: The GPS antenna wiring is open circuit or the communication module is faulty.
Required Parts: GPS antenna or communication module.