multi EA 5000 Troubleshooting
119
13.11 Device faults on the UVFD 5000 and MPO 5000
Error Possible cause Remedy
LED in front panel flash-
ing
¡ Run-in period not yet
completed
¡ Wait for the comple-
tion time for the run-
in period of approx
30min to elapse.
LED flashing after run-in
time has elapsed
¡ UV lamp defective ¡ Check in
System
|
Component test
if a
defective lamp is dis-
played
¡ Replace lamp as nec-
essary (→ "Replacing
the UV lamp" 156)
¡ If no defect is dis-
played, inform the
customer service de-
partment
Detector sensitivity too
low
¡ Service life of the UV
lamp expired
¡ Replace lamp
Smell of ozone
(only for sulfur detectors
with MPO option)
¡ Absorber on rear of
module worn out or
incorrectly connected
¡ Check connection and
replace absorber as
necessary
¡ Gas hose on the ab-
sorber leaky or loose
¡ Check hoses
¡ Search for leak as
necessary with indi-
cator paper
13.12 Analytical problems during TS determination
These affect: Detection with the UVFD 5000 and the MPO 5000
Error Possible cause Remedy
Scattering measurements ¡ UV lamp defective ¡ Replace lamp, see (→
"Replacing the UV
lamp" 156)
¡ Sample unsuitable for
vertical operation
mode (droplet forma-
tion)
¡ Use the horizontal
operation mode
¡ In vertical operation
mode: Quartz wool
not present or at the
wrong position in the
combustion tube
¡ Check the position of
the quartz wool, ad-
just as necessary
¡ Sample evaporates
before dosing
¡ Use a cooled sampler.
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