NEC IP8800/S2400 Series Troubleshooting Manual page 52

Safety Guide [IP8800/S3600] [IP8800/S2400]
■ In case a failure should occur, power off the device immediately.
• In case a trouble such as smoke or unusual odor should occur or foreign materials or water should come
in to the device, power off the device immediately. If the device is used in a faulty state, fire disasters or
electric shock may be caused.
Actions to Be Taken When a Trouble Occurs
Device in Trouble
AC power supply model
AC power supply (PoE) model
DC power supply model
Redundant power supply model
EPU
■ Do not put foreign materials in the device.
• Do not insert or drop metals or combustibles into the device through the intake/exhaust port. Fire disasters
or electric shock may be caused.
■ Do not press the RESET switch with a fragile tip, pin, or clip that may get stuck and
cannot be removed.
• Do not press the RESET switch with a fragile tip, pin, or clip that may get stuck and cannot be removed.
Fire disasters or electric shock may be caused.
■ Modification is not permissible.
• Device modification is not permissible. Fire disasters or electric shock may be caused.
■ Do not give a shock.
• In case the device is dropped or parts are damaged, power off the device, unplug the power cable out of
the outlet, and call the maintenance engineer. Otherwise, fire disasters or electric shock may be caused.
■ Do not put any material on the device.
• Do not put a metal such as pin, clip, or a container with water such as a vase or a flower pot on the device.
Fire disasters or electric shock may be caused.
xlii
WARNING
Equipped with no external
power unit (EPU)
Equipped with the external
power unit (EPU)
Equipped with AC power
supplies
Equipped with DC power
supplies
Action to Be Taken
Power off the device, and unplug the power cable.
Power off the device and power module, and unplug both power
cables.
Power off the device, and turn off the breaker on the power supply
equipment.
Power off all the power supplies mounted on the device, and unplug
the power cables.
Power off all the power supplies mounted on the device, and turn off
the breaker on the power supply equipment.
Power off the EPU and unplug the power cable.