Set Appliance State:

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

Observation:

Observe the display on the appliance.
If the wireless controls are set up and operating correctly then there will be a small wireless symbol in the top right hand corner of the display.
If the small wireless signal is flashing or not present then the controls are not operating correctly, in this case the heating defaults to being on permanently.