
C
HAPTER
4
O
PERATION AND
U
SE
P
AGE
39
Reagent
shortage
1.
blue:
the LED lights continuously, thus
indicating that the reagent level is
below 30%
2.
blue-flashing:
the LED flashes, signalling that the
reagent level is below 10%. At the
same time, the fault relay REL 2 is
activated.
‘BOB-function’
→ page 18
blue
alarm message
limit exceeded
1a.
red-fl red-flashing
Red “Analysis result” LED flashing
+
red “alarm” LED flashing:
The
“alarm” LED flashes and signals
that the limit has been exceeded in
conjunction with the LED
“analysis
results”.
The relay REL 1 "limit exceeded" is
energised.
1b.
red-fl red
Red “Analysis result” (LED flashes
+ red alarm
” LED’:
The
“alarm” LED is on and signals that
the limit has been exceeded in
conjunction with the LED
“analysis
results”.
→ The relay REL 1 "limit exceeded"
was de-energised by a reset.
red
red
alarm message:
reagent shortage
2a.
blue-fl red-flushing
Blue
“indicator”
LED
flashing
+
red “alarm” LED flashing:
The red LED
flashes and signals “lack
of reagent
” in conjunction with the
flashing blue LED <10%
→ the fault relay is energised.
blue red
2b.
blue-fl red
Blue
“indicator”
LED
flashing
+ red
“alarm” LED
The red LED lights permanently and
signals reagent level is <10% in
conjunction with the flashing blue
LED.
→ the fault relay is de-energised.
blue red