Set Appliance State:

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

Observation:

By default this appliance has its preheat option enabled.
To continue fault finding the preheat must now be disabled.
Please carry out instructions below to disable preheat then click "continue".
(parameters only accessible when appliance has completed self-check)
If you do not disable preheat it may cause misdiagnosis
1. Hold  until display alternates between P and 1. (approx. 2 secs)
2. Press + 3 times so display alternates between P and 4.
3. Press  : display now shows preheat setting.
4. Press + or - buttons to change setting to 1 (eco) then press  to confirm change.
Press R to return appliance to standby.
Remember to set preheat back to customers original setting once diagnosis is complete.