IBM B50 - Manual (Page 170)

Symptom Action
The system stops with a prompt to enter a
password. Enter the password. You cannot continue
until a correct password has been entered.
When you have entered a valid password,
wait for one of the other conditions to
occur.
The system stops with the Diagnostic
Operating Instructions displayed. Go to “Step 6.”
The power-on light does not come on, or
comes on and does not stay on. Check the power cable to the outlet.
Check the circuit breakers and check for
power at the outlet.
Assure the room temperature is within 60 -
90°F.
If you do not find a problem, record error
code M0PS0000 and report the problem to
the service organization.
Flashing 888, followed by additional error
codes. Report the error code sequence.
The system stops with a three-digit code in
the operator panel display. Report the error code.
8-14 7046 Model B50 User's Guide