English
8
Troubleshooting
Heater Manual
reset
Safety Thermostat
Yes
Air is not suffi cient for
Increasing inlet air
regeneration
No
Yes
Air pressure below the
Increase air
operating limits
pressure
No
Thermostatic control is
not working
No
No
Compressor components
deteriorated
No
Yes
low level
Low absorption
current
refrigerant
No
Yes
Condenser
Clean the
dirty / blocked
condenser
Fridge switch alarm
FAULT
CAUSE
Warning Adsorber
check fi lters
Yes
Past 1 year from the
Substitute the ele-
replacement
ment fi lters
No
Reset warning
No
Request external
assistance
No
Yes
Calibrate hot gas
Formazione ghiaccio
valve
No
Clean the exchenger
Yes
Exchanger dirty
and substitute the pre-
fi lter
No
Yes
Substitute the
Filters dirty
fi lters
High pressure drop
ATT025-040
REMEDY
Noise in purge phases
No
Yes
Sostitiure/pulire
Silencer fi lter dirty
fi ltro silenziaotre
No
No
Termostatazione
difettosa
High electrical Heater
Low electrical Heater
Temp. 1,2
Temp. 1,2
High pressure Column
Warning Probe
1,2
Yes
Drain solenoid defective
No
No
Yes
probe disconnected
Software defective
No
No
Increasing i
nlet air
No
No
Air is not suffi cient for
Air is not suffi cient for
regeneration
regeneration
Yes
Low Pressure Column
High purge Air
Tem-
1,2
perature
12 / 12