📦  Warranty&Reture Policy:

🛡️  1、One year warranty. If the product malfunctioned under proper usage per instructions manual within the warranty period, please contact us to obtain shipping instructions and send it back at your shipping costs.

🔍 2、14days evaluation and investigation takes placed after receiving yourreturn item.

⚡Servo Valve Failure Causes

Most hydraulic servo valve failures are not random. They usually follow identifiable patterns tied to contamination, electrical stress, wear, or system-level setup issues. This page helps teams isolate likely causes before deciding repair scope.

️♠ Fluid Contamination

Micro-debris often bypasses standard filters, causing “silting” that jams spools or erodes pilot nozzles, leading to drift and sluggishness.

♠ Electronics Failure

Heat and vibration can cause onboard electronics to fail, coils to burn out, or feedback sensors to drift, mimicking mechanical failure.

♠ Thermal Cycling

Frequent heat-up and cool-down cycles accelerate material fatigue and drift-sensitive component behavior.

️♠ System Mismatch

Incorrect tuning, pressure setup, or command scaling can create symptoms that look like valve failure.

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