Fault Finding
Brown Blue Green Yellow
Preliminary Electrical Systems Check
START
Isolate appliance and carry out:
A:Earth Continuity check.
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NO | YES | |
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Carry out:
C:Polarity check.
Blue
BrownGreen
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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| should now be | ||
YES | |||||
satisfactory. | |||||
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PLUG (with cover removed) | SOCKET |
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Earth Wire |
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Green/Yellow | ) |
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( | 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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