If safe isolation requires moving or opening the installation, work may interrupt the whole appliance. Both chilled and frozen contents need a practical storage plan.
What the observation tells you
A visible on/off control may not be electrical isolation. Do not pull a tall integrated unit out yourself just to reach the plug. The cable, furniture connections and floor clearances may require competent handling.
A useful next step
Tell the booking team where the supply is believed to be and what blocks access. Clear loose items and arrange suitable food storage if advised, leaving the isolation method to the attending professional.
Manuals and supporting guidance
Model-specific instructions take priority. These references support the practical principles discussed here; they do not diagnose your appliance.