What if you suspect that you may be suffering from sporadic Electromagnetic Interference (EMI)? It could be ESD

Interference suffered by equipment does not only occur as a result of power-supply borne disturbances or from electromagnetic disturbances generated by, and conveyed from or radiated by, other electrical/electronic equipment, nor from internal problems in other parts of the equipment.

It can also arise as a result of purely mechanical phenomena, quite independent of . . . → Read More: What if you suspect that you may be suffering from sporadic Electromagnetic Interference (EMI)? It could be ESD