Seaward 350 PrimeTest - Manual (Page 103)

PrimeTest 350 Operating Instructions
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17 Maintenance
Warning: Always ensure that the PrimeTest
350 is disconnected from all voltage sources
before maintenance work is carried out.
17.1 Preparing to work on the PrimeTest 350.
Make the PrimeTest 350 voltage free as follows, before
opening the instrument;
Power the unit off using the red OFF button, ref fig. 1
(3)
Disconnect the black test lead from the unit
Disconnect the Seaward mains cable, from the mains
inlet socket, ref fig 2 (7).
Disconnect the IEC mains cable, from the IEC socket
ref fig 2 (8).
Disconnect the EUT mains cable, from the EUT socket,
ref fig 1 (6).
17.2 Securing the PrimeTest 350
Under certain conditions safe operation of the
PrimeTest 350 can no longer be assumed:
Visible damage of the instrument case.
Incorrect measurement results.
Recognisable abuse to the instrument due to
prolonged storage under improper conditions.
Recognisable abuse to the instrument due to
extraordinary transportation stress.
In these cases, the PrimeTest 350 should be
immediately switched off, disconnected from any test
or measurement function and secured to prevent any
further use.