Hach-Lange PHOSPHAX indoor sc - Manual (Page 50)

50
Troubleshooting
PHOT LEVEL LOW /
PHOT LEVEL2 LOW Continued
measurement
Photometer signal low
(dependent on chanel if 2
chanel mode is used) .
Not enough sample.
Trigger cleaning (several
times). Manually clean
photometer. If this action
solves the problem,
increase automatic
cleaning, otherwise contact
service. Check sample
delivery.
Automatic
MODULES CONTAM.
Continued
measurement
Filter modules soiled Clean filter modules soon Automatic
SERVICE MODE Service state
The instrument is in the
service state or is
switching to this state
–
Automatic when
the service state
is left
REAGENT LEVEL
Continued
measurement
Amount of reagent has
dropped below warning
level set
Check reagent level and
replace if necessary, then
reset reagent level. The
level is indicated
mathematically and can only
function reliably if the
counter is only reset when
the solution is changed
On the menu
MAINTENANCE/
TEST/MAINT
COUNTER/
REAGENT
CLEAN SOLU LEVEL
Continued
measurement
Amount of cleaning
solution has dropped
below warning level set
Check cleaning solution
level and replace if
necessary, then reset
cleaning solution level.
The level is indicated
mathematically and can only
function reliably if the
counter is only reset when
the solution is changed
On the menu
MAINTENANCE/
TEST/MAINT
COUNTER/
CLEANING
SOLU.
7.2.3 Warnings (continued)
Warning displayed
Instrument
reaction
Cause Solution Reset warning