Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to Resistance 
Remove back of control box, remove transformer, pull back PCB from control box, remove fuse F2.
Measurement:
Measure the resistance of the fuse.
Notes:
1. On some early versions of the PCB fuse F2 will not be removable, in this case choose the "short circuit measured" outcome below.
2. Replace fuse after test when refitting PCB ensure the control knob spindles are correctly located.
Notes:
1. On some early versions of the PCB fuse F2 will not be removable, in this case choose the "short circuit measured" outcome below.
2. Replace fuse after test when refitting PCB ensure the control knob spindles are correctly located.
Isolate as per TOPs P4
and refit as necessary