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User Guide
The following table lists the different severity of thermal algorithm critical faults that are reported to the
user.
Table 3: Thermal Algorithm Critical Faults
The following table lists the device decision values that the system chooses from during operation. It
describes how the pulse width modulation (PWM) of the power that is being distributed to the cooling
fans reacts to different fault types.The fault will be reported based on the severity of the thermal issue.
Table 4: Thermal Algorithm Device Decision for Fan Control
Fault
Critical
Increase
Decrease
No Change
1.3 OpenFlex F3100 and E3000 Specification Summary
Table 5: Environmental Specifications
Specification
Temperature
Temperature Gradient
Temperature De-rating
Relative Humidity
Relative Humidity Gradient 30% per hour maximum
Altitude
1.3 OpenFlex F3100 and E3000 Specification Summary
Component
Device
BMC
PSU
Sensor >= Critical
Sensor >= Max
Sensor <= Min
Min < Sensor < Max
Non-Operational
-30°C to 60°C
30°C per hour max
1°C per 300m above 3000m
5-95% Non-Condensing
-300m to 12,000m / -984 ft. to
39,370 ft
Any sensor >= critical
Not installed FAN
Not installed PSU
Not installed Device or Blank
Not installed BMC
Any sensor >= critical
Any critical status on SMBus
Sensor Value
5°C to 35°C
20°C per hour max
1°C per 175m above 950m
8-85% Non-Condensing
30% per hour maximum
-300m to 3048m / -984 ft. to 10,000
ft.
1. Overview
Critical Faults
Fan Response
100% PWM
PWM + increase step
PWM - decrease step
Hold PWM
Operational
7
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