Parker Hiross ATT140 Manuel D'utilisation page 28

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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 absorption low level
refrigerant
current
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
replacement element fi lters
No
Reset warning
No
Request external
assistance
No
Yes
Calibrate hot gas
icing
valve
No
Clean the exchen-
Yes
Exchanger dirty ger and substitute the
pre-fi lter
No
Yes
Substitute the
Filters dirty
fi lters
High pressure drop
ATT140-340
REMEDY
Noise in purge phases
No
Yes
repalce /clean
Silencer fi lter dirty
Silencer fi lter
No
No
heating
defect
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
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