Hach-Lange PHOSPHAX indoor sc - Manual (Page 49)

49
Troubleshooting
PHOTO LEVEL
HIGH / PHOTO
LEVEL2 HIGH
Continued
measurement
Photometer signal
too high (1
channel, 2 channel
operation ,
depending on
channel that
triggered the error)
Contact service
Reset error
manually or
automatic if level is
OK again
MODULES
CONTAM. Continued
measurement Filter modules
heavily soiled
Clean filter modules immediately
Reset error
manually
DRAIN BLOCKED Service state Drain is blocked Clean drain line
Reset error
manually
SAMPLE1 /
SAMPLE2 Continued
measurement
the amount of
sample is not
sufficient
(channel1 /
channel2) This
occurs as error if
SAMPLE
DETECTION is set
to ERROR
Check sample delivery, make sure that
sample line has no negative pressure,
check tightness of piston pump, check
overflow and air valve
Automatic reset
when enough
sample is
available, or
manuell reset
7.2.2 Error messages (continued)
Error displayed
Instrument
reaction
Cause Solution Reset error
7.2.3 Warnings
Warning displayed
Instrument
reaction
Cause Solution Reset warning
WARMUP PHASE
Instrument is
warming up sample
tubing after start
(de-frosting)
If there is a risk that the
sample tubing is frozen, a
warning is displayed
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
Automatic
COOLING DOWN
Fan 100 % ,
standstill until cool
enough
Instrument is cooling down
after start using ventilation,
if it was heated
excessively
Wait until instrument has
cooled down enough
Reset,
automatically as
soon as cool
ANALYZER TO COLD Measurement
Instrument has cooled
below 15°C (59 °F) Close instrument door, if
necessary check heating
Reset,
automatically as
soon as warmer
ANALYZER TO WARM
Measurement, but
no more air
cleaning
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 ))
Change/clean air filter,
check air ducts for blockage,
check enclosure fan, is
ambient temperature
allowed?
Reset,
automatically as
soon as cool
CUV TOO COOL
Continued
measurement
The cuvette is not being
heated adequately. 2 min
after sample change:
temp. = ((target temp. of
cuvette) - 1 °C(34°F))
Close instrument door,
check/fit cuvette insulation.
Automatic