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Troubleshooting: High Coolant Volume

If the problem you’re having isn’t listed, please email us so we can add it. Our expert staff and technicians welcome the opportunity to help you solve problems with your compressed air system, please email us or call us at 1-800-322-9038 for assistance.

Probable CauseWhat to Do
Excessive coolant level Check level; drain to lower
if necessary.


Plugged separator element Check separator pressure drop.
Separator element leak

Check separator pressure drop.
If low, replace element.

Plugged separator scavenge
Remove and inspect orifice/screen.
Compressor operating at low
pressure  (75 psig or below)

Operate at rated pressure.

Reduce system load.

Coolant system leak Inspect and repair leaks.
High Coolant Volume

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