
IC100C Series
PRELIMINARY
1592015000 Manual IC100C Series 28/05/03 Page 14 di 38
33.
A
LARM
C
ODE AND
E
VENTS
Cod
Meaning
Cause / Origin
Instrument behaviour
Reset
P1
Pb1 probe alarm
Missing, faulty
probe or resistance
exceeding value
Open collector / alarm relay ON
Buzzer ON
General alarm icon lighted
Alarm code on display
Automatic
if the probe value
recovers
P2
Pb2 probe alarm
Missing, faulty
probe or resistance
exceeding value
Open collector / alarm relay ON
Buzzer ON
General alarm icon lighted
Alarm code on display
Automatic
if the probe value
recover
P3
Pb3 probe alarm
Missing, faulty
probe or resistance
/current exceeding
value
Open collector / alarm relay ON
Buzzer ON
General alarm icon lighted
Alarm code on display
Automatic
if the probe value
recovers
P4
Pb4 probe alarm
Missing, faulty
probe or resistance
exceeding value
Open collector / alarm relay ON
Buzzer ON
General alarm icon lighted
Alarm code on display
Automatic
if the probe value
recovers
A01
High pressure
switch alarm
Digital input for
high pressure
activated
Open collector / alarm relay ON
Buzzer ON
High pressure icon lighted
Alarm code on display
Manual:
after the alarm event expires,
proceed with manual reset.
A02
Low pressure
switch alarm
Digital input for low
pressure activated
Open collector / alarm relay ON
Buzzer ON
Low pressure icon lighted
Alarm code on display
Automatic.
It turns to manual after AL02
events in 1 hour.
Manual:
after the alarm event expires,
proceed with manual reset.
A03
Low temperature
alarm of the
supplied
temperature
Digital input active
if CF01=0,1 and
Pb1< AR03 for
AR05 seconds.
Open collector / alarm relay ON
Buzzer ON
General alarm icon lighted
Alarm code on display
Automatic:
when Pb1 value increases over
AR03+AR04 value.
A04
Low temperature
alarm of the outlet
air from
evaporator.
Digital input active
if CF01=0,1 and
Pb2< AR03 for
AR05 seconds
Open collector / alarm relay ON
Buzzer ON
General alarm icon lighted
Alarm code on display
Automatic.
It turns to manual after Ar06
events in 1 hour.
Manual:
the event expires if Pb2 >
(AR03+ AR04), then proceed
with manual reset.
A05
High temperature
High pressure
Digital input active
Pb3 o Pb4 > AL11
Open collector / alarm relay ON
Buzzer ON
High alarm icon lighted
Alarm code on display
Manual:
the event expires if Pb3 or Pb4
< (AL11-AL12), then proceed
with manual reset.
A06
Low temperature
Low pressure
Digital input active
Pb3 o Pb4 < AL14
Open collector / alarm relay ON
Buzzer ON
Low alarm icon lighted
Alarm code on display
Automatic.
It turns to manual after AL06
events in 1 hour.
Manual:
the event expires if Pb3 or Pb4
> (AL14+AL15), then proceed
with manual reset.