80010204-1d04ffff Numeric sensor [NumericSensorElementName] going low (lower critical) has asserted.Explanation: IMM has detected the speed of Fan 4 (Fan 4A Tach or Fan 4B Tach) has gone low.May also be shown as 800102041d04ffff or 0x800102041d04ffffSeverity: ErrorAlert Category: CriticalServiceable: YesCIM Information: Prefix: PLAT and ID: 0480SNMP Trap ID: 11Automatically notify Support: NoUser response:v Reseat the failing fan indicated by the lit LED on the fan.v Replace Fan.80010204-1d05ffff Numeric sensor [NumericSensorElementName] going low (lower critical) has asserted.Explanation: IMM has detected the speed of Fan 5 (Fan 5A Tach or Fan 5B Tach) has gone low.May also be shown as 800102041d05ffff or 0x800102041d05ffffSeverity: ErrorAlert Category: CriticalServiceable: YesCIM Information: Prefix: PLAT and ID: 0480SNMP Trap ID: 11Automatically notify Support: NoUser response:v Reseat the failing fan indicated by the lit LED on the fan.v Replace Fan.80010204-1d06ffff Numeric sensor [NumericSensorElementName] going low (lower critical) has asserted.Explanation: IMM has detected the speed of MEU Fan 1 has gone low.May also be shown as 800102041d06ffff or 0x800102041d06ffffSeverity: ErrorAlert Category: CriticalServiceable: YesCIM Information: Prefix: PLAT and ID: 0480SNMP Trap ID: 11Automatically notify Support: NoUser response:v Reseat the failing fan indicated by the lit LED on the fan.v Replace Fan.80010204-1d04ffff • 80010204-1d06ffff394 IBM System x3850 X5 and x3950 X5 Types 7145, 7146, 7143, and 7191: Problem Determination and Service Guide