Instruction Manual FireGuard 2
Troubleshooting
78
13542E/5
FAULT MESSAGE
DESCRIPTION
POSSIBLE CAUSES
SERIAL 1
The control unit cannot es-
tablish a connection to the
photometer.
▪
Interrupted connection to the
photometer.
▪
Defect in the electronic sys-
tem.
→
Service technician
V ANALOG
One of the internal analog
voltages is outside the per-
mitted range.
▪
Defect in the electronic sys-
tem.
→
Service technician
MEASUR.FAULT
Measuring value acquisition is
faulty.
▪
External light (e.g. measuring
cell removed).
▪
Defect in the electronic sys-
tem.
→
Service technician
LIGHTSOURCE 1
The detector for monitoring
the light source receives no
light from the corresponding
light source.
▪
Defective light source.
→
Ser-
vice technician
MASTER SW VERS
This fault message is dis-
played when the software
version of the SICON-C is
older than the version of the
connected photometer.
▪
Software is not the most re-
cent version. In this case, the
software of the control unit
must be updated to the most
recent version.
→
Reference
Handbook
Table 4: Possible fault messages
10.4
Prioritized fault messages and their effect on operation
CAUTION!
When there is a prioritized fault, the cause of the malfunction is serious.
PRIO (PRIORITIZED FAULT)
If a prioritized fault occurs during operation, it has
the following effects:
▪
The measuring values go to 0.
▪
Prioritized faults can be cleared only by a ser-
vice engineer.
▪
When the
Prio
message occurs,
the color of
the status display changes to
red
and the text
describes the prioritized fault in question.
Example:
PRIO DEFAULT VALUES
