Metalyser
®
Portable HM1000
Instruction Manual
v 5.0
7. TROUBLESHOOTING
Whilst
your
Metalyser
®
is
designed
to be
very reliable,
problems may occur
throughout its working
life. The following
tables are
intended
to help you diagnose
and
resolve
these problems
simply
and
quickly.
Should you not be able to resolve
the problem
please
contact your
supplier
and they will be able to
assist
you.
When troubleshooting
your
Metalyser
®
the
following
steps
should
be
undertaken in this
order:
1. Reference Electrode – does the
Reference Electrode
contain the right
level
of
electrode
fill
solution? Is it
damaged
at all? Are there air
bubbles
in the inner
tube?
2. Stirrer – does the stirrer
rotate?
Does it mix the powder reagents
when
operating?
a. To check this run the
stirrer
according to the
instructions
on page 13
3. Working Electrode – is the Working Electrode conditioned correctly
?
a. Is WE1 grey in colour or is WE2 yellow in colour? Has the
grey
b. WE1 Conditioning been wiped
off
before the WE2
plating?
4. Solutions – have the solutions been contaminated
?
Have the correct buffers
been added
in the correct order? Has the right amount of
standard
been
added
?
The Metalyser
®
will try and help you with
determining
the problems.
See
below.
The metal concentration is above the
maximum limit of 500ppb
Dilution should be used
The metal concentration is below the
minimum limit of detection for the method
being used
The increase in metal response was not
sufficient enough to determine the addition
The addition was not added or the metals
have not been detected
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