Brewed coffee is much weaker than expected, even with normal coffee amounts.

Safety first: Use caution when checking temperature; do not place hands in hot coffee.

• Verify settings: Check that the brew strength and volume settings are correct for your desired coffee strength.
• Check grind and dose: Use a medium grind and the coffee‑to‑water ratio recommended by OXO (often around 1–2 tablespoons per 6 oz of water).
• Clean spray head: Remove and clean the Rainmaker or spray head to ensure even distribution of water over the grounds.
• Descale: Run a descale cycle. Scale can reduce heating efficiency, lowering brew temperature and causing weak coffee.
• Measure temperature (optional): If you have a food thermometer, measure the coffee temperature in the carafe immediately after brewing. It should typically be around 195–205°F (90–96°C) at the grounds. Significantly lower temperatures suggest a heater issue requiring service.