Set Appliance State:

WARNING! - Mains voltage is expected during test follow
TOPs P4 live testing procedure
Mains Power On

Observation:

After power has been reinstated usually FH will be displayed (indicating the appliance has started its fan and pump purge period). However a fault code could also be shown, this test is only to establish if the display operates correctly.
Does the digital display operate correctly?
(Not blurred, jumbled or distorted).