Merlin 3070 Service And Maintenance Manual page 193

DETAIL
MESSAGE
AUTO none
*CPU EXPT
PROC
*CPU
18
MEANING
Autolog Mode Enabled
The automatic error logging mode has been enabled at
the data terminal.
Exception Failure
1.
Repeat the sweep (press Next, then Detail) to verify
the existence of the problem.
2.
If the problem persists, check for bent or broken pins
in the backplane behind the Processor, Diagnostics,
Module A (slot reserved for future use), Voice
Terminal Module, or Basic Telephone Modules.
3.
If the problem persists, set the Normal/Test switch to
Normal and test each Voice Terminal Module in the
system for the presence of "scanning."
To test a module for scanning, connect a
voice terminal to it and put the voice terminal
in "test" mode (slide the T/P swithc to T).
The module is said to be "scanning" if the
voice terminal lights alternately flash red and
green in the test mode.
Replace any voice Terminal Modules that do
not appear to scan. Set the Normal/Test
switch to Test and repeat the sweep.
4.
If the problem persists, replace the Processor
Module.
Processor Failure
Repeat the sweep (press Next, then Detail) to verify
1.
the existence of the problem.
2.
If the problem persists, check for bent or broken pins
behind the Processor Module. If the pins are
undamaged, replace the module. Repeat the sweep.
3.
If the problem persists, check the pins behind the
Diagnostics Module. If the pins are undamaged,
replace the module.