Troubleshooting
INSTRUCTION MANUAL AquaScat 2
11778E/1
71
9.3.2.
Error messages and their effect on operation
FAULT:
If an error occurs during operation, it has the fol-
lowing effects:
A fault is a malfunction which prevents
correct measurement value acquisition.
The measuring values go to
0
.
The current output goes to the pro-
grammed electrical current
If fault
.
The limits will be deactivated.
If an output for faults is programmed, it is
activated.
If the cause of the fault has been reme-
died, it is automatically deleted.
Achtung diese Grafik ersetzen!
When the
Fault
message appears,
the
color of the status display changes to
red
and the error text describes what
the fault is about.
(Example:
MEASURING ERROR)
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 sys-
tem.
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 sys-
tem.
Service technician
AN.MEAS.FAULT
The measurement value acquisi-
tion of the analogue channels is
disturbed.
Defect in the electronic sys-
tem.
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 in-
puts/outputs.