Hach PHOSPHAX sc Manual De Instrucciones página 18

Troubleshooting
7.2.2 Error messages (fortgesetzt)
Instrument
Error displayed
reaction
Photometer level is
high / Photometer Continued
level channel 2 is measurement
high.
Filter modules are Continued
contaminated measurement
Drain is blocked. Service state
Sample 1 / Sample Continued
2 measurement
7.2.3 Warnings
Instrument
Warning displayed
reaction
Instrument is
warming up sample
Device is starting up
tubing after start
(de-frosting)
Fan 100 % ,
Cooling down standstill until cool
enough
Analyzer is too cold. Measurement
Measurement, but
Analyzer is too hot. no more air
cleaning
Continued
Cuvette is too cool.
measurement
18
Cause Solution
Photometer signal
too high (1
channel, 2 channel
operation , Contact service
depending on
channel that
triggered the error)
Filter modules
Clean filter modules immediately
heavily soiled
Drain is blocked Clean drain line
the amount of
sample is not
sufficient
Check sample delivery, make sure that
(channel1 /
sample line has no negative pressure,
channel2) This
check tightness of piston pump, check
occurs as error if
overflow and air valve
SAMPLE
DETECTION is set
to ERROR
Cause
If there is a risk that the
sample tubing is frozen, a
warning is displayed
Instrument is cooling down
after start using ventilation,
if it was heated
excessively
Instrument has cooled
below 15°C (59 °F)
At very high internal
temperature, the air
cleaning of the filter
modules is disabled to
generate less wasteheat of
the internal compressor.
(internal temp. =
55°C(131°F ))
The cuvette is not being
heated adequately. 2 min
after sample change:
temp. = ((target temp. of
cuvette) - 1 °C(34°F))
Solution
As far as possible, wait until
end of the warm-up phase
(except if certain there is no
frost), to cancel please
place instrument in service
state and start
measurement again
Wait until instrument has
cooled down enough
Close instrument door, if
necessary check heating
Change/clean air filter,
check air ducts for blockage,
check enclosure fan, is
ambient temperature
allowed?
Close instrument door,
check/fit cuvette insulation.
Reset error
Reset error
manually or
automatic if level is
OK again
Reset error
manually
Reset error
manually
Automatic reset
when enough
sample is
available, or
manuell reset
Reset warning
Automatic
Reset,
automatically as
soon as cool
Reset,
automatically as
soon as warmer
Reset,
automatically as
soon as cool
Automatic
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