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24
221100C
9 F a u l t F i n d i n g
4547
Diagram 9.3
NO
YES
YES
NO
Isolate the electrical supply and remove the socket from the plug.
Connect Voltmeter across the socket pins 'L' and 'N'.
Turn on the electrical supply. Is Voltage between 216V and 240V?
Isolate the electricity supply.
Remove bulbs and test them for continuity.
Is there continuity?
Refer to B.B.U. electrical fault finding.
Faulty bulb(s), replace.
NO
YES
Remove cover from plug.
Is there continuity between terminal 'L'
on plug switch (red cable)?
Faulty Switch and Cable assembly, replace.
Faulty Switch and Cable assembly, replace.
Faulty Switch and Cable assembly, replace.
NO
YES
Remove bulb holder from mountings.
Is there continuity between terminal 'L'
on plug and left hand bulb holder and
terminal (red cable) with switch 'ON'?
YES
NO
Switch 'OFF', repeat above procedure.
Is there continuity?
NO
YES
Switch assy in order. Individually test red
and violet cables between bulb holders
for continuity. Is there continuity?
Faulty red cable, replace.
NO
YES
Is there any continuity between left hand
bulb holder and N1 on plug terminal
(violet cable)?
Faulty violet cable, replace.
NO
YES
Replace bulbs and test continuity of
bulb holders at the terminals on bulb holders.
Is there continuity?
Faulty bulb holders, replace.
Replace bulb holders.
Electrical circuit in order.
ELECTRICAL FAULT FINDING