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3745 MAPs
MAP 3220: Undefined Panel Message
Symptom Explanation Conditions That Could Cause This Symptom
The message on the control panel
is undefined
Loose cables/cards
PCC card failing
Control panel failing
MPC card failing
Microcode update
001
You may have loose cables and/or cards.
If the nature of the fault does not allow control
panel actions, exchange the FRU group 37. Go to
page “3745 FRU Group Table” on page 1-49.
– Power the 3745 OFF as follows:
Put the power control in local mode:
– Using Power Control, scroll till the
value is 3.
– Press Validate.
Press Power Off.
– Switch the CB1 OFF.
– Attention: Use the ESD kit and procedures.
– Refer to Figure 4-9 on page 4-11.
– Carefully check and reseat any loose cables or
cards (especially the MPC, PCC, and MSC).
– Switch the CB1 ON.
Are Power Control and Service Mode indica-
tors displayed on the control panel?
Yes No
002
The initial power checkouts on the PLC card
did not complete successfully.
– Exchange the FRU group 37. Go to “3745
FRU Group Table” on page 1-49.
003
– Press Function on the control panel until the
MOSS IML function 1 is displayed.
– Press Validate.
– Press Power On Reset.
– When the IML is complete, retry the operation
that displayed the unexpected hex display code.
Is the unexpected hex display code problem
resolved?
Yes No
004
Referring to “How to Run the Control Panel
Test” on page 3-8, run the diagnostic. If an
FRU group is called, go to “3745 FRU
Group Table” on page 1-49.
(Step 004 continues)
004 (continued)
– If no errors are detected, consult the
Support Center for any microcode update
which may not be reflected in the MIP.
Have you received more information
from support?
Yes No
005
– Exchange the FRU group 22. Go to
“3745 FRU Group Table” on
page 1-49.
006
– Take action as directed.
Is the problem solved?
Yes No
007
– Exchange the FRU group 22. Go
to “3745 FRU Group Table” on
page 1-49.
008
– In the CE Leaving Procedure you will be
instructed to set the time of day clock,
and set any required scheduled power
ON time.
Go to page “CE Leaving Procedure” on
page 4-102.
009
Did the unexpected hex code occur while you
were using the MIP for another reason?
Yes No
010
Go to Step 008.
011
Restart with Chapter 1, “START: How to Begin
Troubleshooting” on page 1-1.
Chapter 2. Map for FRU Isolation 2-5