Fans 1 and 7 fail during diagnostic tests on AFF A800
Applies to
- AFF A800
Issue
While running diagnostics from boot_diags on the AFF A800, fans 1 and 7 show as failed. Output will look similar to the following:
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Fan Test:
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Set all fan to 60% Duty cycle
23000 * 60% = 13800
Check RPM in the range from 12420 to 15180 RPM
FAN_1 expect In range from 12420 to 15180 RPM, current 13648 RPM, result: pass
FAN_2 expect In range from 12420 to 15180 RPM, current 13573 RPM, result: pass
FAN_3 expect In range from 12420 to 15180 RPM, current 13501 RPM, result: pass
FAN_4 expect In range from 12420 to 15180 RPM, current 13604 RPM, result: pass
FAN_5 expect In range from 12420 to 15180 RPM, current 13602 RPM, result: pass
FAN_6 expect In range from 12420 to 15180 RPM, current 13575 RPM, result: pass
FAN_7 expect In range from 12420 to 15180 RPM, current 13607 RPM, result: pass
FAN_8 expect In range from 12420 to 15180 RPM, current 13482 RPM, result: pass
FAN_9 expect In range from 12420 to 15180 RPM, current 13548 RPM, result: pass
FAN_10 expect In range from 12420 to 15180 RPM, current 13657 RPM, result: pass
Set all fan to 80% Duty cycle
23000 * 80% = 18400
Check RPM in the range from 16560 to 20240 RPM
FAN_1 expect In range from 16560 to 20240 RPM, current 13641 RPM, result: fail
FAN_2 expect In range from 16560 to 20240 RPM, current 18021 RPM, result: pass
FAN_3 expect In range from 16560 to 20240 RPM, current 18192 RPM, result: pass
FAN_4 expect In range from 16560 to 20240 RPM, current 18179 RPM, result: pass
FAN_5 expect In range from 16560 to 20240 RPM, current 18063 RPM, result: pass
FAN_6 expect In range from 16560 to 20240 RPM, current 18161 RPM, result: pass
FAN_7 expect In range from 16560 to 20240 RPM, current 13591 RPM, result: fail
FAN_8 expect In range from 16560 to 20240 RPM, current 18009 RPM, result: pass
FAN_9 expect In range from 16560 to 20240 RPM, current 18103 RPM, result: pass
FAN_10 expect In range from 16560 to 20240 RPM, current 18036 RPM, result: pass
Load default fan table
RESULT: FAILED
System Test Summary:
CPU : PASSED
TPM : PASSED
Eth : PASSED
BMC : PASSED
PSU : PASSED
PCH-I2C : PASSED
RTC : PASSED
Quad Port 10GbE NIC Slot 4 : PASSED
Quad Port 10GbE NIC Slot 5 : PASSED
Mezzanine Dual Port 100GbE NIC : PASSED
FAN : FAILED
Swapping around "failed" fans with working fans and then retesting will still show fans 1 and 7 failed.