Netgear ReadyNAS 4200 Manual download pdf (Page 30)

30 | Chapter 2: Diagnostics and Maintenance

ReadyNAS 4200 Hardware Manual

Replacing a Power Supply

The ReadyNAS 4200 has a 700 watt redundant power supply consisting of two power

modules. Each power supply module has an auto-switching capability, which enables it to

automatically sense and operate at a 100V - 240V input voltage.

If either of the two power supply modules fails, the other module takes the full load and allows

the system to continue operation without interruption. The PWR Fail LED illuminates and

remains on until the failed unit has been replaced. The power supply units have a hot-swap

capability, meaning you can replace the failed unit without powering down the system.

You do not need to shut down the system to replace a power supply unit. The backup power

supply module keeps the system up and running while you replace the failed hot-swap unit.

Replace the failed power supply with the same model.

1. Unplug the AC power cord from the failed power supply module.

2. Depress the locking tab on the power supply module. Use the handle to pull it straight out

with the rounded handle.

3. Install a new power supply. Push the new power supply unit into the power bay until you

hear a click. Secure the locking tab on the unit.

4. Plug the AC power cord back into the unit.

Replacing the Onboard Battery

This battery must be replaced only with the same or an equivalent type recommended by

NETGEAR. Dispose of used batteries according to the manufacturer's instructions.

DANGER:

There is a danger of explosion if the onboard battery is installed upside

down, which will reverse its polarities.

To replace the battery, open the system, locate the battery holder, and replace the battery,

taking care to install the new one with the correct side up.

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Netgear ReadyNAS 4200 Manual Page 30