Instruction Manual AquaScat 2 P
Troubleshooting
58
11838E/2
The following error messages can be displayed:
ERROR
MESSAGE
DESCRIPTION
POSSIBLE CAUSES
V ANALOG
One of the internal analogue
voltages is outside the permitted
range.
Defect in the electronic system.
Service technician
MEASUR.FAULT
Measurement value acquisition is
faulty.
Air bubbles in the sample
tube.
External light in the vicinity of
the measuring station (e.g.
transparent hoses).
Defect in the electronic system.
Service technician.
AN.MEAS.FAULT The measurement value acquis i-
tion of the analogue channels is
disturbed.
Defect in the electronic system.
Service technician.
LED1 FAILURE
The detectors receive no light
from the LED for the scattered
light measurement.
Defective light source.
Service technician.
ANALOG IN 1
The input signal on analog input
1 is less than the fault limit.
There is no input signal.
ANALOG IN 2
The input signal on analog input
2 is less than the fault limit.
There is no input signal.
POWER LINK
Actuation of the extended in-
puts/outputs via the Powerlink is
disturbed.
Interrupted connection to the
extended inputs/outputs.
HUMIDITY
The relative humidity in the in-
strument has risen above 50%.
The desiccant is saturated.
The seals on the electronic
component are defective.
The instrument was open for
too long.
