GAGGIA CLASSIC PRO V2 Heating Light Constant

107°C Brew Thermostat

The brew thermostat is a bimetallic switch that naturally cycles the heating circuit to maintain 107°C. A constant light indicates the switch has failed in the closed position, likely due to contact welding or internal mechanical fatigue of the snap-disc. This failure prevents the machine from accurately reporting or regulating the thermal state of the boiler.

SKU: DM1289/T

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Steam Thermostat (145°C)

If the steam switch is accidentally engaged or the steam thermostat has shorted, it will bypass the brew thermostat logic. This can cause the boiler to reach much higher temperatures and keep the heating indicator active or the ready light constantly illuminated depending on the wiring iteration.

SKU: DM1289/S

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Replacement Brew Switch Assembly

An internal short within the illuminated rocker switch itself can cause the indicator lamp to remain powered independently of the thermostat state. While less common than a thermal switch failure, a mechanical breakdown of the plastic housing or carbon tracking inside the switch can lead to a constant-on symptom.

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