GE Energy
D400 Substation Data Manager User's Manual 79
7
Servicing the D400
The D400 does not require any scheduled maintenance. However, you may need to
replace the following parts occasionally:
• System battery
• CompactFlash card
A periodic inspection is also suggested to ensure that:
• Unit has sustained no accidental physical damage
• Airflow is not obstructed
• Connectors and cables are intact and firmly attached
• Battery condition is good
Only trained personnel should perform maintenance on the D400.