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ATT025-040
Alarm
Code
Display
ATT
025-040
ATT
060-090
ATT
140-340
Reset
Delay
Defoult conditions to active the alarm
Stop
Compressor
Stop Dryer
Alarm
relay
A30
WARNING CHENGE
FILTERS!!!
X
X
X
Reset after
updating the
maintenance-
date
1 mm
life time of the fi lter elements is reached
N
N
Active
A31
CLOCK ALARM -Check or
Replace the- -clock board- To
reset alarm, switch off the
controller
X
X
X
Description: Check or Replace the- -clock board- To reset alarm,
switch off the controller
N
N
Active
A32
WARNING CAPACITIVE
MOISTURE DRAIN
NU
X
A
400s
AIN Capacitive Level
N
N
active
A33
FRIDGE SWITCH ALARM
X
NU
NU
A
Alarm refrigerant circuit
Y
N
active
A34
BYPASS ALARM Fail Open
X
X
2min
If the operation is SUMMER, the relay is energized for the opening
of the bypass. If within 2 minutes does not fall on the end of opening
stroke occurs the alarm
N
Yes : remanins
in operation
WINTER
Active
A35
BYPASS ALARM Fail Close
X
X
2min
If the operation is WINTER, the relay is de-energized for the open-
ing of the bypass. If within 2 minutes does not fall on the closing limit
switch will have the alarm
N
Yes: remanins
in operation
SUMMER
Active
A36
WARNING PROBE PRES-
SURE COLUMN 1
NU
X
X
A
Error pressure PROBE column 1
N
N
Active
A37
WARNING PROBE PRES-
SURE COLUMN 2
NU
X
X
A
Error pressure PROBE column 2
N
N
Active
A38
WARNING Pressure Dis-
charge Failure Column 1
NU
X
X
A
If at the end of the drain phase , the pressure is > 3 bar
N
N
Active
A39
WARNING Pressure Dis-
charge Failure Column 2
NU
X
X
A
If at the end of the drain phase , the pressure is > 3 barr
N
N
Active
A40
“ALARM ADSORBER Heater
Manual reset Safety
Thermostat
CALL SERVICE!
“”Manual Reset Request-
ed”””
X
X
X
M
Intervention of the safety thermostat
N
N
Active
