FAQ
HARDWARE: Why does the status LED of MARWIS not switch from yellow (not totally heated up) to green (optimal temperature) in case of extreme cold outdoor temperature even after a long operation time?
The cigarette lighter of a normal passenger car has a voltage of 12 Voltage. But in order to reach the maximum heating requirement of the MARWIS 24 Volts are required. If your MARWIS often runs with a yellow status LED continuously, we recommend a DC / DC converter such as the Samlex Step Up Converter Step 7 (price about 100 $ on Amazon).
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