Table 1-1 Power Problems - Digital Equipment 3300R Service Manual

Table 1-1 Power Problems

Symptom
System does not power on.
Power supply shuts down after a
few seconds (fan failure).
Action
Check the power source and power cord.
Check the On/Off setting on the operator control
panel. Toggle the On/Off button to off, then back to
the On position to clear a remote power disable.
Check the indicator lights on the operator control
panel. If the green Power OK light is off and amber
Halt/Remote Power Off light is on, the system may
be powered off by one of the following:
•
A remote management console command
•
System software
•
Fan failure
•
Overtemperature condition
•
Power supply failure
•
Power select switch on power supply is set to
120V for a 220V power source
Check that the ambient room temperature is within
environmental specifications
(10–40°C, 50–104°F).
Check that internal power supply cables are plugged
in at the system motherboard.
Listen to hear if the fan is spinning at power-up. A
failure of the fan causes the system to shut down after
a few seconds.
Enter the remote management console and query
system status/alerts (using the status command) for
an indication of fan failure or overtemperature
condition. Refer to Chapter 4 for instructions.
Troubleshooting Strategy
DIGITAL Server 3300/3300R 1–3