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Cod. 710.0103.01.01 – Rev.04 – 09.2012
ALP
Low pressure switch
(LP) alarm
(1P3 switch)
Low pressure switch
digital input activation
Open collector / alarm relay ON
Buzzer ON
Low pressure alarm icon lighted
Alarm code on display
Automatic
It becomes manual after AL02 activations / hour
Manual
Digital input deactivation then manual reset from
Function menu.
AtCO
(1S2) Highest
Refrigerant discharge
temperature alarm.
(1Q1) Refrigerant
compressor thermal
protection alarm
Digital input activation
Open collector / alarm relay ON
Buzzer ON
Main alarm icon lighted
Alarm code on display
(1S2) - Manual
if the temperature returns into range of
good working, then proceed with manual reset from
Function menu.
(
1Q1) - Manual
Restart the (1Q1) thermal protection, then proceed with
manual reset from Function menu.
After AL09 events in 1 hour and digital input not active,
set parameter AL10=0 to resume with reset procedure
from Function menu.
If the alarm persists call our service centre.
AMnC
Refrigerant
compressor suggested
maintenance alarm
Running hours > CO14
Open collector / alarm relay ON
Buzzer ON
Maintenance alarm icon lighted
Alarm code on display
Manual
Reset running hours from Function menu.
(See PAR. 6.8)
A10
High Dew Point
temperature alarm
A1 with AL22 delay
General alarm icon lighted
Alarm code on display
Regulation OFF
Automatic
if Pb1 < AL23 - AL24
If the alarm persists call our service centre.
A20
Low Dew Point
temperature alarm
A2 with AL19 delay
Open collector / alarm relay ON
Buzzer ON
Main alarm icon lighted
Alarm code on display
Automatic
if Pb1 > AL20 + AL21
If the alarm persist call our service centre.
A30
High inlet air
temperature alarm
A3 with AL25 delay
Open collector / alarm relay ON
Buzzer ON
Main alarm icon lighted
Alarm code on display
Automatic
if Pb2 < AL26 - AL27
If the alarm persists call our service centre.
A40
High ambient
temperature alarm
A4 with AL13 delay
Open collector / alarm relay ON
Buzzer ON
Main alarm icon lighted
Alarm code on display
Automatic
if Pb3 < AL11 – AL12
If the alarm persists call our service centre.
A50
High refrigerant circuit
suction temperature
prealarm
A5 with AL28 delay
Open collector / alarm relay ON
Buzzer ON
Main alarm icon lighted
Alarm code on display
Automatic
if Pb4 < AL29 – AL30
If the alarm persists call our service centre.
EE
EEPROM error alarm
Memory data lost
Open collector / alarm relay ON
Buzzer ON
Main alarm icon lighted
Alarm code on display
Manual
Reset from Function menu. If after Reset procedure
alarm is occurring again, the controller remains blocked
: call our service centre.
ACF2
Configuration alarm
CF01= 0-1-2-3 e FA02
=1-2, without condensing
probe control
configuration
Open collector / alarm relay ON
Buzzer ON
Main alarm icon lighted
Alarm code on display
Automatic
After parameter proper debug.
If the alarm persists call our service centre.
ACF3
Configuration alarm
2 digital inputs having
the same function
Open collector / alarm relay ON
Buzzer ON
Main alarm icon lighted
Alarm code on display
Automatic
After parameter proper debug.
AFr
Frequency alarm
The frequency of power
supply is out of range
Open collector / alarm relay ON
Buzzer ON
Main alarm icon lighted
Alarm code on display
Automatic
After the frequency becomes normal
If the alarm persists call our service centre.
