Seaward SafeCheck 8 - Manual (Page 11)

The Login Screen
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If there are any problems with the supply, the Tester will give a
warning indicating the nature of the problem. There are two possible
warnings:
1 - Phase / Neutral reversed
As the message suggests, this means that the Tester has detected
that the Line & Neutral are reversed in the power socket.
2 - Possible disconnected or isolated or floating Earth connection.
Proceed only if safe.
The message can mean one of the following:
(a) Earth conductor is faulty and/or disconnected.
(b) Supply is via an isolating transformer so that Line & Neutral are
not referenced to Earth.
Note - Although these messages are intended to help flag up a
potential hazard due to a faulty mains supply, the absence of a
message must not be used as a guarantee that the supply is
perfectly serviceable. All mains supplies should be maintained
independently, in accordance with the relevant guidelines in the
appropriate Standards where they exist.
Once the self-test is complete, the Login Menu will be displayed.
The Login Screen
The login Menu allows the user to identify himself so that the test
records can show who has done the testing.
Site and location can also be set. These can be very useful in a
system that uses a central database recording results and
information from many distributed outlets.
It is not compulsory to enter data into these fields, but it need only
be done once if the information is always the same. The Tester
remembers the settings even when switched off and will offer the
last entry as default the next time it is powered up, or the next time
the user chooses to go back to the Login screen.