19
5.6 MAIN ALARMS
Cod.
Meaning
Cause
Action
Reset
P1
Probe alarm
Probe faulty
Activate open output
Automatic
PB1
or resistive value
collector / alarm relay
if the value is within
out of range
Activate buzzer
the expected range
Flashing icon
generic alarm
Code on display
P2
Probe alarm
Probe faulty
Activate open output
Automatic
PB2
or resistive value
collector / alarm relay
if the value is within
out of range
Activate buzzer
the expected range
Flashing icon
generic alarm
Code on display
P3
Probe alarm
Sonda guasta
Activate open output
Automatic
PB3
o valore resistivo
collector / alarm relay
if the value is within
fuori range
Activate buzzer
the expected range
Flashing icon
generic alarm
Code on display
P4
Probe alarm
Sonda guasta
Activate open output
Automatic
PB4
o valore resistivo
collector / alarm relay
if the value is within
fuori range
Activate buzzer
the expected range
Flashing icon
correct defrost cycle
generic alarm
Code on display
A12
Defrost
End defrost for
Code on display
Automatic
error alarm
maximum time
reporting only
if the value is within
the expected range
correct defrost cycle
A09
Compressor
Condensation
Activate open output
Automatic
thermal alarm
start temperature
collector / alarm relay
if the value is within
of
110 °C
Activate buzzer
the expected range
Flashing icon
correct defrost cycle
generic alarm
Code on display
ALOC
Low or high voltage
Supply voltage
Activate open output
Automatic
alarm or higher
less than 202 V
collector / relè allarme
it becomes manual after
than 256 V
Attivate buzzer
defrost
AL20 interventions now
Flashing icon
Manual
generic alarm
Deactivation: entrance
Code on display
digital not active
for continuous time >AL22
E01
Refrigerant
refrigerant circuit
Activate open output
Manual
circuit high
pressure higher
collector / Flashing
pressure alarm
than 42 bar
generic alarm icon
E02
Refrigerant
refrigerant circuit
Activate open output
Manual
circuit high
pressure higher
collector / Flashing
pressure alarm
below 2,7 bar
generic alarm icon