Device evaluation of electrode belt sn (b)(4) has been completed.The reported problem (adjust belt and check therapy pad messages) has been confirmed.Upon investigation the electrode belt failed a therapy electrode recognition test.The cause for the failure was isolated to an open pulse wire in the cable connecting ecg "a" and the front therapy electrode.The belt showed signs of physical abuse.The root cause for the open wire was excessive force.No adverse event resulted from the defective electrode belt.
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