Dell Power Supply C8000 Owner's Manual page 265

Air Inlet Temperature Threshold Settings
The table below lists the enclosure's air inlet temperature thresholds and the
different fan controller firmware actions for each threshold.
Table 5-6. Enclosure Air Inlet Temperature Threshold Settings
Enclosure Threshold
Inlet Setting
Condition
Normal Upper
mode non-recoverable
Upper critical
Upper
non-critical
Lower
non-critical
Lower critical
Lower
non-recoverable
Ambient Threshold Level Action
Temp
43 °C Extremely high Fan controller (FC)
°F)
(109.4
41 °C High
°F)
(105.8
38 °C Warning
°F)
(100.4
N/A Warning
N/A Low
5 °C Extremely low Chassis status indicator
°F)
(41
firmware shuts down the
system.
NOTE:
The firmware reads
inlet temperature every 5 secs.
If the inlet temperature reaches
non-recoverable threshold, the
firmware will start to check the
power status for each sled and
initiate the sled for graceful
shutdown (pull-low 4 seconds).
Chassis status indicator
lights amber.
Temperature events are
recorded in the SEL.
Temperature events are
recorded in the SEL.
Chassis status indicator
lights amber.
lights amber.
Troubleshooting
265