Digital Equipment DECserver 90M - Decserver 90 M Troubleshooting

3–2 DECserver 90M Owner’s Manual
Table 3–1 lists some possible hardware, software, or network problems and sug-
gested solutions.
Table 3–1: DECserver 90M Troubleshooting
Problems Possible Causes Action
The self-test fails, The ThinWire Ethernet Terminate the network correctly.
and the network LED port or 10BaseT connector
does not go on. is not connected to a
properly terminated
network.
A fatal hardware error Replace the DECserver 90M.
occurred.
The port activity LEDs Interface cable may be Secure or replace the cable.
do not respond when disconnected or faulty.
characters are typed on
the console keyboard.
The port does not The port may be faulty. Refer to the
Network Access Server
respond to the console Problem Solving manual.
terminal.
Port and terminal Refer to the
Network Access Server
parameters may be Problem Solving manual.
set incorrectly.
The DECserver 90M The power cord is Connect the power cord.
power LED does not disconnected from the
go on. outlet.
The DECserver 90M Check power supply connection.
is not receiving +5VDC.
Reseat the power supply, Replace the power supply.
backplane installation
only.
The LED is bad. Replace the DECserver 90M.