Applicable Systems
CPX-FVDA-P

Symptoms

The valve terminal reports a silencer clogged. An exhaust silencer is restricting exhaust flow.

Possible Causes

  • Silencer element saturated with oil and moisture
  • Environmental dust accumulation
  • Silencer at end of service life

Troubleshooting Steps

  1. Step 1: Inspect the silencer for contamination
    Silencer is heavily contaminated
  2. Step 2: Clean or replace the silencer
    Clean silencer allows free exhaust flow
  3. Step 3: Check air quality and lubrication settings
    Air quality is within specification

How to Reset

To reset: Clean or replace the silencer, then clear the alarm.

Source: Festo Valve Terminal Manual, Festo AG & Co. KG

Category: Hydraulic & Pneumatic