Hospira/ Abbott Plum A+ is giving constant error N251. The service manual addresses this error code and the listed corrective action is to "Back- Prime the test set or Replace the test set". Well, I'm here to tell you that even after replacing the test set, the mechanism assembly, the main PCB and back- priming, the pump is still throwing a constant error N251. Do you have any idea what else could cause this or how to correct the issue?
Fri Jul 09 2021
Constant Error N251
Fri Jul 16 2021Reply from Ben C
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Mon Jul 19 2021Reply from IVSupport
The error is 1 of 2 things. Bad fluid shield or bad mechanism. I'd replace the fluid shield first. If it doesnt work that means on the mechanism the top potentiometer is bad. Replace the mechanism
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