Fault Finding | Brown |
| Green | ||
|
|
|
| Blue | |
Preliminary Electrical Systems Check |
|
| Yellow | ||
|
|
| |||
|
|
|
|
|
|
| START |
|
|
|
|
| Isolate appliance |
|
| Blue |
|
|
|
|
| Green | |
| and carry out: |
| Brown |
| |
| A: Earth Continuity |
|
|
| Yellow |
| check. |
|
|
|
|
|
|
|
|
|
|
NO
YES
Carry out:
C:Polarity check.
Carry out:
D:Resistance to Earth check.
|
|
|
|
|
| |
Has inlet fuse blown? |
|
|
| Electricity supply | ||
|
|
|
| should now be | ||
NO | YES | |||||
satisfactory. | ||||||
|
|
|
|
|
| |
| PLUG (with cover removed) | SOCKET |
| |||
Inlet wiring | Earth Wire |
|
| (face view) | ||
faulty. |
|
|
|
| ||
Green/Yellow | ( | ) |
|
| ||
Rectify any | E ( | ) | ||||
| ||||||
fault. |
|
|
| |||
|
| FUSE |
|
| ||
| Neutral Wire |
|
|
| ||
|
|
|
|
| ||
| Blue |
|
|
|
| |
|
|
| N |
| L | |
Isolate appliance and carry out:
B:Insulation check. Rectify any fault including replacing fuses as necessary.
22