No. Traditional condenser and heat-pump designs can have different arrangements. Only remove a component when the exact manual identifies it as an owner-removable part.
Understanding this situation
A familiar lower flap does not prove that everything behind it comes out. Forcing a fixed heat exchanger can cause damage beyond an ordinary cleaning task and may involve systems outside this service's scope.
A useful next step
Identify the full model and follow its diagram. Use the stated cleaning and refitting process only. If you cannot establish the correct procedure, ask for advice rather than pulling handles or clips until something moves.
Manuals and supporting guidance
Model-specific instructions take priority. These references support the practical principles discussed here; they do not diagnose your appliance.