English
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ATT060-090
8 Troubleshooting
FAULT
CAUSE
REMEDY
Heater
Manual reset
Safety Th
ermostat
Air is not suffi
cient for
regeneration
Increasing inlet air
Yes
Air pressure below the
operating limits
Yes
No
Th
ermostatic control is
not working
No
No
Increase air
pressure
Past 1 year from the
replacement
No
Fridge switch alarm
Low absorption
current
No
Yes
Request external
assistance
Warning Adsorber
check fi lters
Reset warning
No
Substitute the ele-
ment fi lters
Condenser
dirty / blocked
No
Compressor compo-
nents deteriorated
No
Yes
low level
refrigerant
Yes
Clean the
condenser
High pressure drop
Exchanger dirty
No
Filters dirty
No
Formazione ghiaccio
No
Yes
Clean the exchenger
and substitute the pre-
fi lter
Yes
Substitute the
fi lters
Yes
Calibrate hot gas
valve
Noise in purge phases
Silencer fi lter dirty
Yes
No
No
Sostitiure/
pulire fi ltro silenzi-
aotre
High pressure Column
1,2
Drain solenoid defective
Yes
Soft ware defective
Yes
No
No
Warning Probe
probe disconnected
No
No
Low electrical Heater
Temp. 1,2
Termostatazione
difettosa
No
High electrical Heater
Temp. 1,2
High purge Air
Temperature
Air is not suffi
cient for
regeneration
No
Low Pressure Column
1,2
Air is not suffi
cient for
regeneration
No
Increasing i
nlet air
Yes
Summary of Contents for Antares ATT Series
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