Set Appliance State:

Isolate Mains Power to appliance as per TOPs P4
Remove the EMS BUS controls connector from the PCB (light red)
Remove the no voltage controls connector from the PCB (light blue)
WARNING! - Mains voltage is expected during test follow
TOPs P4 live testing procedure
Mains Power On

Observation:

Has the appliance stopped trying to fire with both connectors removed?