to the lack of back force from the fluid. Under these conditions, the TechnaGuard detects this difference and triggers an alarm shutting down the motor and protecting the pump.... Overload (blocking) protection When a pump has an excess of pressure, or a block in the pump, the motor will use more power than if operating properly. The TechnaGuard can detect... Breakage Belt Chain In the occurrence of a belt or chain breaking on a mechanical transmission system, the motor would experience a lower power draw, triggering an alarm...