32
Fault-nding
Symptom Cause Action
Poor repeatability. Transmission modules not
correctly aligned.
Align correctly.
Loose mounting. Check all bolts and screwed
connections for tightness.
Loose stylus. Tighten.
Poor electrical connections. Check connectors.
Excessive machine vibration. Tighten spring pressure.
Spurious reading. Cable screen broken. Replace.
Poorly regulated supply voltage. Regulate correctly.
Excessive machine vibration. Eliminate vibration or adjust
stylus spring pressure.
Poor re-arming (probe is
seated and the status LED is
either red or not illuminated).
Spring pressure too low. Adjust spring pressure.
Inner diaphragm pierced or
damaged.
Return to supplier for repair.