E16
Siemens
Thermostat / Temperature Control Error
Display shows E16; temperature fluctuates widely and the unit may switch between cooling and idle erratically.
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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
Faulty electronic thermostat function on main PCB, Incorrect calibration of NTC sensors, Software glitch in control logic, Loose sensor connectors
How to Fix / Troubleshooting
Safety first: Disconnect power before handling internal wiring or boards.
Steps to address E16:
- Power cycle: Unplug the unit for 10 minutes to reset the control electronics.
- Check sensor connections: Reseat all temperature sensor connectors on the main PCB and control panel.
- Verify installation: Ensure the cooler is not installed near heat sources or in direct sunlight, which can confuse temperature control.
- Monitor with thermometer: Place an accurate thermometer inside and compare actual temperature to the display. If the difference is large and persistent, the control may be faulty.
If E16 persists and temperatures remain unstable after sensor checks, the main control PCB likely needs replacement.
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Repair Difficulty
Hard
4/5
Required Part
Main Control PCB
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