Alarm
Display
ATT
Code
WARNING CHENGE
A30
FILTERS!!!
CLOCK ALARM -Check or
Replace the- -clock board- To
A31
reset alarm, switch off the
controller
WARNING CAPACITIVE
A32
MOISTURE DRAIN
A33
FRIDGE SWITCH ALARM
A34
BYPASS ALARM Fail Open
A35
BYPASS ALARM Fail Close
WARNING PROBE PRES-
A36
SURE COLUMN 1
WARNING PROBE PRES-
A37
SURE COLUMN 2
WARNING Pressure Dis-
A38
charge Failure Column 1
WARNING Pressure Dis-
A39
charge Failure Column 2
"ALARM ADSORBER Heater
Manual reset Safety
Thermostat
A40
CALL SERVICE!
""Manual Reset Request-
ed"""
English
ATT
ATT
Reset
040
060-090
140-340
Reset after
updating the
X
X
X
maintenance-
date
X
X
X
NU
X
A
X
NU
NU
A
X
X
X
X
NU
X
X
A
NU
X
X
A
NU
X
X
A
NU
X
X
A
X
X
X
M
Delay
Defoult conditions to active the alarm
1 mm
life time of the fi lter elements is reached
Description: Check or Replace the- -clock board- To reset alarm,
switch off the controller
400s
AIN Capacitive Level
Alarm refrigerant circuit
If the operation is SUMMER, the relay is energized for the opening
2min
of the bypass. If within 2 minutes does not fall on the end of opening
stroke occurs the alarm
If the operation is WINTER, the relay is de-energized for the open-
2min
ing of the bypass. If within 2 minutes does not fall on the closing limit
switch will have the alarm
Error pressure PROBE column 1
Error pressure PROBE column 2
If at the end of the drain phase , the pressure is > 3 bar
If at the end of the drain phase , the pressure is > 3 barr
Intervention of the safety thermostat
ATT040
Stop
Stop Dryer
Alarm
Compressor
relay
N
N
Active
N
N
Active
N
N
active
Y
N
active
Yes : remanins
N
in operation
Active
WINTER
Yes: remanins
N
in operation
Active
SUMMER
N
N
Active
N
N
Active
N
N
Active
N
N
Active
N
N
Active
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