Restore Factory Settings - HomeMatic HMIP-WTH Mounting Instruction And Operating Manual

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Restore factory settings

The factory settings of the device can be re-
stored. If you do this, you will lose all your set-
tings.
To restore the factory settings of the wall thermostat,
please proceed as follows:
• To remove the electronic unit (B) from the frame,
take hold of the sides of the electronic unit and
pull it out (see figure 6).
• Remove the (old) batteries.
• Insert the batteries ensuring that the polarity is
correct (see figure 7) while pressing and hold ing
down the system button (D) for 4s at the same
time, until the LED will quickly start flashing or-
ange (see figure 8).
• Release the system button again.
• Press and hold down the system button again for
4s, until the status LED lights up green.
• Release the system button to finish the proce-
dure.
The device will perform a restart.
Restore factory settings
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