IBM 3745 Problem Determination Manual page 85

Alerts
3745 Product Alert Reference Code 21
Alert Condition: A CCU failure occurred in tWin-standby mode. All resources of the failed CCU have
been switched to the standby CCU. Fallback to the standby CCU and IPL of the standby CCU have
been completed successfully. The resources are ready for activation.
ALARM 21 : HARDWARE ERROR: FALLBACK AND IPL COMPLETE ON CCU-x
(.,mjjf1wjjj~g]
NetView* Alert· Dynamic - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - .
Resources REQ Activation: COMM Controller SKU?
Subvector and Code Causes and Actions
Subfield Keys Points
Alert ID Number X '23D786C9 1
SV X'92'
Alert Type X 1 01 1 Permanent
SV X'92'
Alert Description X'BOO4 1 Resources Require Activation
SV X'92'
Probable Causes X ' 3110 '
Communication Controlier Bac~-up
SVX'93'
User Causes (none)
SV X'94' SF X'01'
Install Causes (none)
SV X'95' SF X'01'
Failure Causes
X'3110 '
Communication Controller Back-Up
SV X'96' SF X'01'
Actions X ' 13A1 1 Reactivate resources attached to
SV X'96' SF X'81'
X ' 82 1
SF
(Communication Control Unit (x'34'))
X ' OOB1' Perform Problem Determination Procedure
X ' 82'
SF
at reporting location for
(Product Alert Reference Code (x'FO'))
X'2203'
Review supporting data at Alert Sender
1-68
IBM
3745
Communication Controller: Problem Determination Guide-
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