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Child safeguard/operating lock
• Press the Auto/Manu button longer than 3 seconds.
• Select the menu item „rES“ with the handwheel and con-
firm with the Boost button.
• „ACC“ appears in the display. Confirm with the Boost but-
ton to reset the device.
If you have taught-in several ETKF+ Radiator Ther-
mostats or Window , all devices have to be
reset.
11 c
hild
Safeguard
/
operating
lock
Basic child safeguard/operating lock
Operation of the device can be locked to avoid settings be-
ing changed unintended (e.g. through involuntary touch).
• To activate/deactivate the basic operating lock, press and
immediately release the Auto/Manu and (
) buttons si-
multaneously.
• Once activated, the operating lock symbol ( ) is shown on
the display for 10 s.. Afterwards, the symbol will be dis-
played permanently. Operation of the device is now locked.
• To deactivate the operating lock, press both buttons once
again.
Advanced child safeguard/operating lock function (Loc)
The advanced operating lock provides enhanced security
for the operation of the ETKF+ Radiator Thermostat with
the entry of a four-digit code. When the advanced operating
lock is activated on the ETKF+ Radiator Thermostat, the de-
