Fault Finding; Fault Finding Guide - thermo spectronic Helios Gamma Benutzerhandbuch

Fault Finding Guide

Problem Symptom
Instrument dead The fans are not
running
Display Blank No text on display,
a slight glow can
be seen around
the edges of the
display in subdued
lighting.
Any performance No light can be
problem, Failure seen from the
to initialise or ventilation slots in
error 1053 the lamphouse
cover.
Lamp energy low Instrument noisy
Error 1053, in the visible
Drift at visible region.
wavelengths
GD Issue 1 (08/2000)
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FAULT FINDING

Possible Cause
1. Ensure the mains lead is firmly
pressed home. Some leads are a
very tight fit in the three pin IEC
connector on the rear of the
instrument.
2. If a switched outlet is being used,
ensure it is on.
3. Check the fuse in the plug.
4. Try another mains lead.
5. Try another mains outlet.
6. Ensure the power switch on the
instrument has been fully operated.
7. If all of the above are OK the power
supply may have failed. Contact your
local agent.
1. The contrast control is incorrectly
set. Go to the MENU page, the right
and left arrow keys adjust the
contrast. If nothing happens it may
be that error messages are being
displayed. Press the CLEAR key 5
times at 10 second intervals, to clear
the error list, and try again. The
display contrast is affected by
temperature and may need adjusting
from day to day, or as the
instrument warms up.
2. The instrument has been put into
remote control without allowing it to
initialize first. The display will return
next time that the instrument is
switched on.
3. An unsuccessful attempt has been
made to update the software.
Connect the instrument to a PC and
repeat the software upgrade process.
1. The tungsten lamp has failed, fit a
new lamp.
A small number of tungsten lamps do
fail very rapidly. If this happens fit a
new lamp and contact your agent for
a free replacement. It is likely that
the spare lamp shipped with the
instrument will be from the same
batch as the one in the instrument.
1. Check the tungsten lamp is correctly
fitted and in good condition. The
envelope should not show any signs
of blackening or opacity. If in doubt
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