The system gets a faulty signal that an intruder is lurking in the joints.

Do we have a faulty signal, Captain Picard?

The cause of the accident was a faulty signal, which showed a green "proceed" aspect to the second train even though the line ahead was not clear.

Older types of switches can even latch up, which means that they continue to conduct excessive currents even after the faulty signal is removed.

An inquiry found that the earlier crash, on Dec. 12, was caused by a faulty signals.

Sinus node dysfunction describes an irregular heartbeat caused by faulty electrical signals of the heart.

The cause of the wreck was uncertain but may have been faulty signals.

The immune systems of people with psoriasis send out faulty signals to the body, triggering the creation of excess skin cells.

"Must be a faulty signal," he told the pilot.

Researchers believe that a combination of genetic and environmental factors set off the immune system, which in turn sends faulty signals to overproduce new skin cells.