Troubleshooting General Problems; Troubleshooting The Terminal - DEC VT1000 Service Manual

44 Troubleshooting
For example, if there is an optional memory error (error code 13), the
keyboard LEDs display the error message as follows:
Hold LED blinks one time
times.
Keyboard LEDs do not repeat the error code sequence.
Power−Up
On
Off
See Table 3–1 for a list of error codes and recommended solutions.

3.4 Troubleshooting General Problems

Table 3–6 describes some general operating problems with possible causes
and suggested solutions.
Table 3–6 Troubleshooting the Terminal
Symptom Probable Cause
Monitor Problems
Monitor's power The monitor's
LED does not power cord is not
turn on. connected.
The system box's
power cord is not
connected.
No ac power.
Monitor.
3 Section numbers follow the solution.
! !
2-second pause
Error Code (13)
Hold Lock LED
LED
2 sec
3
Solution
Check the cord connection on the
rear of system box and the monitor.
Check the cord connection on the
rear of system box and at the power
outlet.
Connect the monitor power cord
directly to the power outlet.
See the monitor's service guide.
lock LED blinks three
Blinking error
code is not
repeated.