IBM 3745 Problem Determination Manual page 155

Alerts
3745 Alert Reference Code A3
Alert Condition: The power control unit has detected a disturbance in the ac main power source. The
fact that the alert has been received means that the ac disturbance was not long enough to drop power
on MOSS and CCU. Some power supplies may, however, have dropped. In this case, they have to be
put up again by using the MOSS Power Services (POS) function from the operator console. Refer to the
3745 Advanced Operations Guide.
MOSS Console Alarm Message - - - - - - - - - - - - - - - - - - - ' - - - - - - - - - - ,
ALARM A3 : POWER SUBSYSTEM: TEMPORARY ac FAILURE
Loss of External Power: Main ac Power Supply
Subvector and Code
Causes anod Actions
Subfield Keys Points
Alert
10
Number
X '7CDF9453 '
SV X'92'
Alert Type X'01' Permanent
SV X'92'
Alert Description
X'1410'
Loss of External Power
SV X'92'
-
Probable Causes X'0220' Main ac Power Supply
SV X'93'
X'0204' Power Cord
User Causes (none).
SV X'94' SF X'01'
Install Causes (none)
SV X'95' SF X'01'
Failure Causes X'0220' Main ac Power Supply
SV X'96' SF X'01'
X'0204' Power Cord
X,0202,
Internal Power Control Unit
X'0205' Power SubSystem Processor
Actions X'0200' Check Power
SV X'96' SF X'81'
X'1001' Refer to Operator's Guide for corrective action
X'3300'
If problem re-occurs then do the following
X'3000' Contact Appropriate Service Representative
X'32CO' Report the following:
X'82'
SF
(Reference Code (x'30'))
X'82'
SF
(Product Alert Reference Code (x'FO'))
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IBM 3745 Communication Controller: Problem Determination Guide
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