Start Installer NIBE Technical Support Technical FAQs There are no lights on my NIBE Exhaust Air unit and the screen is blank?

There are no lights on my NIBE Exhaust Air unit and the screen is blank?

Check that the unit is turned on at the isolation switch sometimes this can be accidentally turned off.

Check that the fuse is not tripped at the consumer board, if the problem persist an engineer visit will be needed.