A frequent cause is the careless handling of the waffle iron during handling (carrying, lifting, positioning), which can inadvertently damage the thermostat control wheel on the underside of the wafer-makers iron and subsequently damage or destroy the thermostat. Therefore, please take extra care during handling.
Thermostat is made especially for us. It is set to a temperature of 150 ° C to 210 °C. (+- 10°C)