Applicable Systems
CPX-FVDA-P
Symptoms
The valve terminal reports a pressure gauge fault. A system pressure gauge is reading incorrectly.
Possible Causes
- Bourdon tube fatigued or damaged
- Needle mechanism jammed or sticky
- Calibration drift from vibration
Troubleshooting Steps
- Step 1: Compare the gauge against a calibrated reference
Reading matches within tolerance - Step 2: Inspect the needle for smooth movement
Needle moves freely without sticking - Step 3: Recalibrate or replace the gauge
Gauge reads accurately
How to Reset
To reset: Repair or replace the pressure gauge, then clear the alarm.
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Source: Festo Valve Terminal Manual, Festo AG & Co. KG
Category: Hydraulic & Pneumatic
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