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