Learn how to easily reset the high limit switch on a Bezzera Hobby espresso machine. Symptom is machine not heating water in boiler. Learn how to prevent tripping the high limit in any single boiler machine by following 2 simple rules. High limit switches trip when espresso machine boilers get too hot. Although demonstrated on a Bezzera Hobby, high limit reset procedure is similar on other espresso machines and often solves problem of espresso machine boiler not heating. WHOLE LATTE LOVE Get expert advice on products to best fit your needs. Call the coffee experts at Whole Latte Love: 585-924-7170 [More]