Carefully unpack the module and inspect it for any visible damage, such as cracks, bent connectors, or foreign objects inside the ventilation grilles. If damage is found, do not proceed with installation and contact your supplier.
If the yellow or red LED is illuminated, the table below will help diagnose the issue. zxd 3000 user manual 2021
The manual follows a logical flow:
Wear a grounded ESD wrist strap when handling the module to prevent static damage to internal microcircuits. Carefully unpack the module and inspect it for
Loose slot connection or absent AC mains grid power. such as cracks
