Watt Power Supplies (Mpws139) - Intergraph InterServe 800 System Reference Manual

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550 Watt Power Supplies (MPWS139)

The 550 Watt power supplies are hot-swappable. It is not necessary to power off the system
before replacing one of these power supplies.
CAUTION Do not remove a power supply until the replacement power supply is available. The fans in
the failed power supply continue to operate and are necessary to maintain airflow.
To replace a 550 Watt power supply:
1. Turn the spring-lock screw counter-clockwise until it pops out on the power supply
being replaced. Refer to the following figure.
2. Grasp the power supply handle, as shown in the following figure, and pull the power
supply out.
3. Install the new power supply into the base unit. When the power supply properly
engages the connectors, the AC OK and DC OK LEDs turn green.
NOTE If the system is off, the AC OK LED turns green when you turn on the circuit breaker. The
DC OK LED lights when you turn on the system.
4. Turn the spring-lock screw clockwise to secure the power supply.
AC OK and
DC OK
LEDs
Power
Supplies
Handle
Spring-lock Screw