Fault Finding
Preliminary Electrical Systems Check
START
Isolate appliance and carry out:
A:Earth Continuity check.
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| NO | YES | Carry out: |
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| C: Polarity check. |
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Brown Blue Green Yellow
Blue
Brown Green
Yellow
Carry out:
D:Resistance to Earth check.
Has inlet fuse blown?
NO
Inlet wiring faulty. Rectify any fault.
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| Electricity supply | ||
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YES | |||||
satisfactory. | |||||
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PLUG(withcoverremoved) | SOCKET |
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EarthWire |
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Green/Yellow | ( | ) | E ( | ) |
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NeutralWire |
| 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 fusesasnecessary.
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