Kernel-Power event 86

The system was shutdown due to a critical thermal event.
Shutdown Time = 2011-10-13T14:42:15.887637600Z
ACPT Thermal Zone = ACPI\ThermalZone\TZ01
_CRT = 373K
Log name : system
source : kernel power
OpCode :info
task category : 83
keywords : (32) / 0x8000000000000020
event id : 86

Additional datas : ThermalZoneDeviceInstanceLength21 ThermalZoneDeviceInstanceACPI\ThermalZone\TZ01 solution : This error may because of overheat ex[perienced by the battery or by the processor.Check whether the built-in fan is working properly to cool the system. Recommended : critical kernel power error