Technical data

Problem Possible Cause Corrective Action
System has power; LED
counting down; DC OK
indicator lit; nothing dis-
plays on console termi-
nal.
Problem with CPU. Call your Digital service representa-
tive.
System has power; DC
OK indicator lit; noth-
ing displays on console
terminal; LED on CPU
cover panel displays E or
F.
Problem with CPU. Call your Digital service representa-
tive.
Self-tests halt; error mes-
sage or error summary
displays on console ter-
minal.
System detected error
while running self-tests.
Copy number following question mark
in error message or summary and call
your Digital service representative.
Language Selection
Menu does not appear.
Baud rate on console ter-
minal is different from
system rate.
Check that baud rate on console
terminal agrees with system rate.
Terminal does not sup-
port multinational char-
acter set (MCS).
Use terminal that supports MCS.
1.2.2 General Problems During Boot Sequence
Problem Possible Cause Corrective Action
System returns to BOOT
prompt after 4 minutes.
Sanity timer enabled on
DESQA module.
Disable sanity timer as described in
DESQA Option Installation Guide.
>>> displays on console
terminal; Break Enable
/Disable switch on CPU
cover panel set to enable
(up).
System in console mode. To autoboot, set Break Enable/Disable
switch to disable (down) and press
Restart (BA215: Restart/Run) button
on system control panel (BA215:
operator control panel). To boot
manually, use BOOT device-name
command.
>>> displays on console
terminal; Break Enable
/Disable switch set to
disable (down).
User-defined halt action
set to HALT.
From console mode enter SET HALT
DEFAULT command.
?54 RETRY displays
twice on console termi-
nal.
No bootable media. See actions listed in subsequent sec-
tions for boot device.
Troubleshooting During Power-Up 1–3