Q: How to remove the top cover of the EHEIM VivalineLED?

To remove the top cover of the EHEIM VivalineLED: Open the two sliding covers by sliding them horizontally or by lifting them sideways ⚠ Important notice: Condensation water may accumulate on the underside of the covers. If you tilt them backward, this water may spill out through the rear openings and damage the frame. It is recommended to use only horizontal sliding movements to avoid any overflow. Note: The VivalineLED is equipped with two covers of different sizes: cover ⑦ (narrower) should be placed in the lower groove, and cover ⑧ (wider) in the upper groove.

Question 1

How to remove the top cover of the EHEIM VivalineLED?

Accepted Answer

To remove the top cover of the EHEIM VivalineLED:

Open the two sliding covers by sliding them horizontally or by lifting them sideways

⚠ Important notice: Condensation water may accumulate on the underside of the covers. If you tilt them backward, this water may spill out through the rear openings and damage the frame. It is recommended to use only horizontal sliding movements to avoid any overflow.

Note: The VivalineLED is equipped with two covers of different sizes: cover ⑦ (narrower) should be placed in the lower groove, and cover ⑧ (wider) in the upper groove.

Question 2

What should I do if the displayed temperature does not match the actual water temperature?

Accepted Answer

A small difference between the temperature you have set and the one measured in the aquarium is perfectly normal. The EHEIM thermocontrol e 150 thermostat operates with a precision of ±0.5°C, which means the temperature may vary slightly around the set point.

How to check and correct:

Check the device's position - The thermostat should be positioned in an area with good water circulation. Poor circulation prevents heat from being distributed evenly. Ensure there are no dead spots around the thermostat.
Allow enough time - The water in the entire aquarium needs time to reach thermal equilibrium. Wait at least 2-3 hours after a setting change before checking the temperature.
Measure the actual temperature - Use an independent external thermometer (suction cup aquarium thermometer or digital) to check the actual water temperature at different locations in the aquarium.
Check the indicator light - The red light indicates that the device is heating, the green light indicates that the desired temperature has been reached.

If a difference of more than 1°C persists after checking, ensure that the device has not triggered the thermal safety cutoff (it resets automatically after cooling).

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