
8-6 Troubleshooting
On-screen error message Recommended action
0B70 The error occurred during
temperature sensor
reading
1. Take one of the following measures to reboot (reset) the CPU
blade.
* Issue an OS command.
* Press Ctrl + Alt + Del.
* Press the RESET switch.
* Issue a command from Web browser of EXPRESSSCOPE
Engine or NEC DianaScope Manager.
2. Take one of the following measures to power off the CPU
blade and then on.
* Power off the CPU blade from OS, then press the POWER
switch to power on.
* Press the POWER switch to power off the CPU blade, then
press it again to power on.
* Issue a command from Web browser of EXPRESSSCOPE
Engine or NEC DianaScope Manager.
3. Power off the CPU blade by issuring an OS command or
press the POWER switch. Take the CPU blade out of the
Blade Enclosure, and install it again. Then, press the POWER
switch to turn on the CPU blade.
4. Replace the CPU blade.
5. If the same error persists, contact your service representative.
0B71 System Temperature out
of the range
1. Check if fans in Blade Enclosure work normally.
2. Refer to the User’s Guide of the Blade Enclosure to make
sure that the sufficient number of fans are installed in correct
locations.
3. Check if the fans and CPU blades are installed in correct
locations.
4. Check installation status of heat sink of the CPU blade.
5. Check if the ambient temperature of installation location
satisfies the operation guarantee condition.
6. Take one of the following measures to reboot (reset) the CPU
blade.
* Issue an OS command.
* Press Ctrl + Alt + Del.
* Press the RESET switch.
* Issue a command from Web browser of EXPRESSSCOPE
Engine or NEC DianaScope Manager.
7. Take one of the following measures to power off the CPU
blade and then on.
* Power off the CPU blade from OS, then press the POWER
switch to power on.
* Press the POWER switch to power off the CPU blade, then
press it again to power on.
* Issue a command from Web browser of EXPRESSSCOPE
Engine or NEC DianaScope Manager.
8. Power off the CPU blade by issuring an OS command or
press the POWER switch. Take the CPU blade out of the
Blade Enclosure, and install it again. Then, press the POWER
switch to turn on the CPU blade.
9. Replace the CPU blade.
10. If the same error persists, contact your service
representative.
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