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Common Faults, Diagnosis and Troubleshooting
5 Common Faults, Diagnosis and Troubleshooting
This chapter introduces the common server faults as well as corresponding diagnosis and
troubleshooting suggestions.
5.1 Common Faults
1)
No power after startup
After the machine is connected with power cable, no power is provided for the
machine while pressing the On/Off button; the indicator does not light up after power
on.
2)
Power module indicator off or red indicator on
The machine is under normal operation, but a certain power module indicator is off
or red indicator is on.
3)
No display after power on
No information appeared on the display after power on via pressing On/Off button.
4)
Front panel indicator is off
All front panel indicators are off after power on.
5)
Front panel status indicator alarms
The machine is under normal operation, but status indicator gives an alarm.
6)
Blank screen of the display
Blank screen occurs during using the display.
7)
Abnormal display
Image dithering, rolling or warping occurs during using the display.
8)
Abnormal display of memory capacity
The operating system shows that memory capacity is inconsistent with physical
memory capacity.
9)
Keyboard and mouse are not available
Neither keyboard nor mouse could be operated normally.
10)
USB interface problem
Introduce solutions when failing to use USB interface.
5.2 Diagnosis and Troubleshooting Instructions
1)
Diagnosis and troubleshooting on power-on failure at startup
Description: After pressing the power button, server front control panel indicator
Summary of Contents for NP5570M4
Page 46: ...４２ 2 System Fan Speed 3 System Voltage Information ...
Page 58: ...５４ ...
Page 64: ...６０ ...
Page 65: ...６１ BMC Settings ...
Page 67: ...６３ BMC Settings ...
