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Faults and remedies, water separator (WSD)
For all references below, consult section
Servicing the water separator drain
Condition
Fault
Remedy
Condensate is not discharged
from the separator
Discharge pipe clogged
Check and correct as necessary
Drain valve of separator
malfunctioning
Remove drain valve assembly, clean and
check
For separator with EWD
(electronic water drain): EWD
malfunctioning
Consult Atlas Copco
Faults and remedies, filters
For all references below, consult section
Condition
Fault
Remedy
The filter produces a whistling
noise
Filter bowl not correctly
mounted
Fit the filter bowl correctly
Bad filtration
Filter element damaged
Water in sightglass
Replace
Check functioning of water separator (WSD)
Insufficient air leaves the filter Filter clogged
Clean the filter bowl and replace the filter
element
QDT filter
Condition
Fault
Remedy
Bad filtration
Activated carbon lifetime
exceeded
Replace the activated carbon at the indicated
intervals
Wet air from dryer in
activated carbon
Check proper functioning of the dryer
Activated carbon not
compressed
Check if spring is (properly) fitted
Too high CO concentration at
outlet
Wet air from the dryer
Check proper functioning of the dryer
Replace the desiccant at indicated intervals
Too much CO at inlet
Check proper working conditions
Faults and remedies, ancillaries
Condition
Fault
Remedy
Inlet solenoid completely or
partially closed/opened
•
Electrical fault
•
Mechanical fault
•
Check wiring
•
Replace defective parts
Pressure sensors:
malfunctioning
Mechanical defect (e.g.
diaphragm ruptured)
Replace defective parts
Summary of Contents for dMED 025
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