Alaris pumps cutting off?

Has anyone experienced Alaris Medley Guardrail IV pumps cutting off when bumped or sometimes from seemingly no touching at all? During spiking bags, walking patient, transporting, just moving pole, etc. Often with a 'connection' error. Sometimes there is an alarm, sometimes not.

Our pumps are about 5 years old. Starting out as uncommonly 'maybe someone turned it off' to now it's so widespread that we KNOW there is a problem and are afraid a patient will be injured. Just do not know the cause. FDA report submitted.

Company visited and is helping to discover the cause. However, they report only OUR hospital's pumps are having this widespread problem. We are investigating whether our cleaning products or other maintenance is the cause, but it seems unlikely our large medical center would be the ONLY ones having this problem. Looking at replacing connectors, although no guarantee this will fix the problem. Meanwhile how scary is it that an ICU patient's drips cut off??