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Possible Cause
Possible Solution
2. The module contacts are
dirty.
If a Release 3 system:
Refer to the instructions
under "On-Line Module
Swap" on page 4-7 to remove
and reinsert the module
without powering down the
system. This action
automatically cleans the
contacts. If the module
works, you have corrected
the problem.
If an FM1 or FM2 system:
Refer to the instructions
under "Module Installation"
on page 2-62 to power down
the system and remove and
reinsert the module. This
action automatically cleans
the contacts. Then power up
the system.
NOTE:
Do not power up
the system before
the module is in
place; this will
cause changes in
system
administration.
If the module works, you
have corrected the problem.
To Investigate Further
If the module doesn’t work.
go to "General Tests" on
page 4-55 before calling the
equipment supplier.
If the module doesn’t work,
go to "General Tests" on
page 4-55 before calling the
equipment supplier.
4-50 Procedures for Specific Symptoms