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Verify the BZ701 in a known correctly wired live socket before and
after use. If any indicators do not illuminate or the buzzer does not
emit a continuous tone, then do not use the BZ701 and return it
for repair.
3.2 Buzzer
Table 1 shows the buzzer response for the various wiring and RCD
test conditions.
Table 1.
Continuous tone
Pulsed tone
3.3 Using the BZ701
Plug the BZ701 into the socket to be tested.
Compare the status of the indicators with the front decal or with
figures 1, 2 & 3 in sections 3.3.1 and 3.3.2.
If the BZ701 does not power up and none of the LED's illuminate
this could mean that the wiring is incorrect, or the mains voltage is
less than 125V and investigation of the wiring is required. In such
circumstances verify the BZ701 in a known correctly wired socket
to confirm the need for investigation.
The BZ701 is designed to be plugged into a socket and removed
after the test has been performed. If the BZ701 is left plugged
into a socket it will go into standby mode after approximately 10
minutes. The illuminated LED indicators will go blank and the centre
LED will flash amber and the buzzer will beep every 5 seconds.
3.3.1 Wiring and Voltage Check
The condition of the wiring at the socket under test or any out of
5
Wiring correct
Faulty wiring
Supply voltage out of tolerance
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