You can perform a power cycle:
If your chassis doesn't turn on Auto and you have the PWR LED Red it means the Power is out of Spec, we recommend searching the User Manual of your chassis for further information.
If the replacement cooling fan also fails, please contact NI Support.
To purchase a replacement fan, please contact National Instruments.
Alternatively, a replacement cooling Fan Assembly can be ordered from the National Instruments website by following these steps:
Collaborate with other users in our discussion forums
A valid service agreement may be required, and support options vary by country.