The light bulbs on the range hood portion of my microwave burnt out. I replaced them with a standard off-the-shelf 25w appliance bulbs.

However, these bulbs are constantly on, i.e., the switch cannot turn them off. The digital switch has 3 settings Off-Night(Low)-Regular(High).

The bulbs offered here AP3886256 (Model MH7130XEZ2) visibly appear like the original and not like the off the shelf 25w bulb (Ceiling Lighting, Lamps, Wall & Outdoor Lighting, Home Decor - LAMPS PLUS.

Is the problem the wrong bulb, or is it possible the switch failed.