1 VersaMed iVent 201 screen freeze and partially responsive control knob after power cycle
The VersaMed iVent 201 ventilator screen is frozen with ventilation active. The rotating control knob is only partially functional (only changes rate and accesses the menu option, but other parameters cannot be adjusted). Complete battery discharge and power cycling have been performed, but upon powering back on, the unit immediately resumes the previous ventilation mode with the same partial knob unresponsiveness. What could be causing this persistent interface lock, and how can it be resolved?
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