Atlas Copco GA 90 VSD

- Condition Fault Remedy
Compressor air output or pressure
below normal
Air consumption exceeds air
delivery of compressor
Check equipment connected
Choked air filter element Replace filter element
Solenoid valve malfunctioning Replace valve
Oil separator clogged Have element replaced
Air leakage Have leaks repaired
Safety valve leaking Have valve replaced
Compressor element out of order Consult Atlas Copco Customer
Centre
- Condition Fault Remedy
Safety valve blows Minimum pressure valve
malfunctioning
Check and have defective
parts replaced
Oil separator element clogged Replace element
Oil separator clogged Have element replaced
Safety valve out of order Have valve checked. Replace
if necessary
On Full-Feature compressors,
dryer piping clogged due to
formation of ice
Have system checked by Atlas
Copco Customer Centre
- Condition Fault Remedy
Compressor element outlet
temperature or delivery air
temperature above normal
Oil level too low Check and correct
On air-cooled compressors,
insufficient cooling air or cooling
air temperature too high
Check for cooling air restriction
or improve ventilation of the
compressor room. Avoid
recirculating of cooling air. If
installed, check capacity of
compressor room fan
On water-cooled compressors,
cooling water flow too low
Increase flow
On water-cooled compressors,
restriction in cooling water system
Consult Atlas Copco Customer
Centre
Oil cooler clogged Clean cooler
By-pass valve malfunctioning Have valve tested
Air cooler clogged Clean cooler
Compressor element out of order Consult Atlas Copco Customer
Centre
Instruction book
2920 1634 04 99