Instruction Manual AquaScat S
Troubleshooting
96
13798E/3
The following warning messages can be displayed:
WARNING
DESCRIPTION
POSSIBLE CAUSES
V IN
The input voltage is outside
the permitted range (24 VDC
± 10%).
The service voltage is faulty.
ADJUST FAULT
Recalibration could not be
carried out.
The instrument is soiled.
The nominal value for the ad-
justment does not match the
value of the medium.
OVER TEMP
The temperature in the in-
strument has exceeded 65 °C.
The medium or ambient tem-
perature is too high and defec-
tive/no cooling.
HUMIDITY
The relative humidity in the
instrument has risen above
the set limit.
The desiccant is saturated.
The gaskets are defective.
The instrument was open for a
long period.
CURRENT 1 .. 8
Current output 1 .. 8 is dis-
turbed.
Terminals open.
Interruption of the current loop
of the measuring value output.
EXTERNAL ON
(Name ext.in.)
An external event is signaled
via a digital input.
External malfunction.
WATCHDOG
The internal fault monitoring
has been actuated.
The program has been re-
started.
Program crash.
SERVICE
Shows when service work is
due.
SD CARD VERS.
The data on the microSD card
does not match the current
software.
Table 3: Possible warning messages