Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to DC Volts 
On/Off Switch ON
NO demand
Preheat switched OFF (ECO button illuminated)
Gain access to PCB (use insulation mat as necessary)
NO demand
Preheat switched OFF (ECO button illuminated)
Gain access to PCB (use insulation mat as necessary)
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Step 1:
Measure the voltage across pin 1 of ST17 and DC neutral terminal Expected voltage 26V DC.
Step 2:
Press and hold the reset button on the control panel for 2 seconds and then release, the voltage should then drop away and return to 26V DC.
Step 3:
Repeat Steps 1 and 2 at the following locations.
Measure the voltage across pin 1 of ST17 and DC neutral terminal Expected voltage 26V DC.
Step 2:
Press and hold the reset button on the control panel for 2 seconds and then release, the voltage should then drop away and return to 26V DC.
Step 3:
Repeat Steps 1 and 2 at the following locations.
