Small amounts of condensation near the drain pipe is normal and a common effect of an air conditioner working hard—particularly on extremely hot or humid days. Likewise, if a small puddle is found underneath your air conditioner’s condenser unit, this is most likely a result of your unit’s normal operation.
Under normal operation, your air conditioner should only leak or produce condensation while operating. Then, the small puddle of water should dry up on a hot day.
A telltale sign you could be in need of air conditioner repair is if the water leak persists for a day or more. If it does, you’ll need the help of a professional air conditioning contractor.