Applicable Systems
GA Series Compressed Air System

Symptoms

The compressor reports an oil circuit blockage. The lubrication oil circuit is partially or fully blocked.

Possible Causes

  • Oil filter or strainer completely blocked
  • Oil passage restricted by varnish or deposits
  • Oil line kinked or crushed

Troubleshooting Steps

  1. Step 1: Check the oil filter and strainer for blockage
    Filter and strainer are clear
  2. Step 2: Inspect oil passages for restriction
    Passages are clear and flowing
  3. Step 3: Verify oil lines for damage
    Lines are intact and unobstructed

How to Reset

To reset: Clear the oil circuit blockage, then clear the alarm.

Source: Atlas Copco Compressor Manual, Atlas Copco AB

Category: Hydraulic & Pneumatic