E19
Winterhalter
Safety Thermostat / Overtemperature Fault
E19 error; machine indicates a problem with the drain temperature or safety thermostat.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Tripped safety thermostat on tank or boiler, Faulty high-limit thermostat, Control failure causing overheating, Limescale reducing heat transfer
How to Fix / Troubleshooting
Safety first: Allow the machine to cool completely and disconnect from power.
- Reset safety thermostat: Locate the manual reset thermostat (usually on the tank or boiler) and press the reset button if present.
- Check ventilation: Ensure the machine has adequate ventilation and that ambient temperature is within specification.
- Descale heating surfaces: Heavy scale can cause localized overheating; descale the tank and boiler as per Winterhalter instructions.
- Professional diagnosis: If the thermostat trips repeatedly, a technician should check heater control circuits and replace faulty thermostats.
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Repair Difficulty
Hard
4/5
Required Part
High-Limit Safety Thermostat
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