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Fault Finding
Preliminary Electrical Systems Check
Preliminary Electrical Systems Check
Preliminary Electrical Systems Check
Preliminary Electrical Systems Check
Preliminary Electrical Systems Check
S T A R T
S T A R T
S T A R T
S T A R T
S T A R T
Isolate appliance
and carry out:
A: A: A: A: A: Earth Continuity
check.
YES
YES
YES
N O
N O
N O
N O
N O
YES
YES
Has inlet fuse blown?
N O
N O
N O
N O
N O
Inlet wiring
faulty.
Rectify any
fault.
Isolate appliance and
carry out:
B: B: B: B: B: Insulation check.
Rectify any fault
including replacing
fuses as necessary.
Carry out:
C: C: C: C: C: Polarity check.
YES
YES
YES
YES
YES
PLUG (with cover removed)
PLUG (with cover removed)
PLUG (with cover removed)
PLUG (with cover removed)
PLUG (with cover removed)
Earth Wire
Green/Yellow
Neutral Wire
Blue
Brown
Brown
Carry out:
D: D: D: D: D: Resistance to
Earth check.
Electricity supply
should now be
satisfactory.
(face view)
(face view)
(face view)
(face view)
(face view)
( )
N
Blue
Blue
Green
Yellow
S O C K E T
S O C K E T
S O C K E T
S O C K E T
S O C K E T
( )
E
L
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