IBM 3745 Problem Determination Manual page 148

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Aler·ts
3745 Product Alert Reference Code 95
Alert Condition: This isa warning that the cooling is inadequate or the room temperature is too high.
When the second threshold is reached, the CCU power supply is automatically shut down.
Alarm 98 and its associated alert indicated when the temperature returns to normal.
MOSS Console Alarm message - - - - - - - - - - - - - - - - - - - , - - - - - - - - - - ,
ALARM 95 : FIRST TEMPERATURE THRESHOLD REACHED ON CCU-X
(:M9:~:~J#:::~~9~:·:~1:9~·::i1:9~:::~j9·.]
NetView· Alert· Dynamic - - - - - - - , - - - - - - - - - - - - - - - - - - - - - - - - ,
Loss of Equipment Cooling: Cool/Heat Subsystem
Subvector and -Code Causes and Actions
Subfield Keys Points
Alert
10
Number X'99366924'
SV X'92'
Alert Type X'11' Impending
SV X'92'
Alert Description X'1501' Loss of Equipment Cooling
SV X'82'
Probable Causes X'0300' Cooling or Heating Subsystem
SV X'93'
User Causes X '74A1' Blocked Air Filter
SV X'94' SF X'01'
Actions X'1310' Verify that Air Vents are not covered
SV X'94' SF X'81'
X'1311'
Check for dirty Filter
Install Causes (none)
SV X'95' SF X'01'
Failure Causes X '0301' Cooling Fan
SV X'96' SF X'01'
X'0311 ' Thermal Detector
X '0201'
Internal Power Unit
X'0205' Power SubSystem Processor
Actions X '3301' If problem persists then do the following
SV X'96' SF X'81'
X'3000' Contact Appropriate Service Representative
X'32DO' Report the following:
X'82'
SF
(Communication Control Unit (x'34'))
X'82'
SF
(Reference Code (x'30'))
X'82'
SF
(Product Alert Reference Code (x'FO'))
Chapter· 1. AI-arms and Alerts
1-131