henkelman DT 60 Mode D'emploi page 14

The display shows "E1".
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14
 Insufficient level of water.

Disconnection or malfunction of the
connection cable, the temperature
sensor (P1) / or floating device (S5).

Add water to the
recommended level. Max.
level: 10 cm under the
edge. Preference un-
chalked water .

Check the connections
and the function of the
mentioned elements.