IBM RT PC Problem Determination Manual page 27

Symptom
Obvious machine damage (noise,
odor, smoke, heat, broken keys,
broken covers, or similar failures)
System will not turn on
You were sent here by the operating
system problem determination guide.
X X remains displayed in two-digit
display at power on (XX any digits).
The X X does not blink.
A cX message or a blinking X X is
displayed in the two-digit display
during normal operation.
Have to reset timer each time system
is turned on.
A message is displayed for the failure.
You were sent here by a message.
Incorrect system operation with no
message (incorrect output or
unexplained system actions).
System is on but appears inactive
(loop, no keyboard response).
The problem is with the 5085 or a
device attached to the 5085.
Action
Go to "Step 1. Obvious Damage" on page 2-6.
Go to "Step 2. Diagnostics" on page 2-9.
Go to "Step 2. Diagnostics" on page 2-9.
Go to "Step 2. Diagnostics" on page 2-9.
Use the operating system problem determination
procedures.
Replace the battery. Go to "Battery Removal and
Replacement" on page A-ll for removal/replacement
procedures.
Follow the message procedures and actions listed in the
appropriate message manual. If you cannot find the
message, go to "Step 2. Diagnostics" on page 2-9.
If the message indicates a hardware problem, go to
"Step 2. Diagnostics" on page 2-9. If the message
indicates a software problem, use the operating system
problem determination procedures.
Go to "Step 2. Diagnostics" on page 2-9.
Go to "Step 2. System Inactive" on page 1-6.
Go to the problem determination guide for the 5085.
Section 1. Beginning Problem Determination
1-5