Maintenance And Cleaning - HomeMatic HmIP-STH Mounting Instruction And Operating Manual

Maintenance and cleaning

• Remove a battery.
• Insert the battery ensuring that the polarity is
correct (see figure 7) while pressing and holding
down the system button (C) for 4s at the same
time, until the LED will quickly start flashing or-
ange (see figure 3).
• Release the system button again.
• Press and hold down the system button again for
4 seconds, until the status LED lights up green.
• Release the system button to finish the proce-
dure.
The device will perform a restart.
9 Maintenance and cleaning
The device does not require you to carry out any
maintenance other than replacing the battery
when necessary. Enlist the help of an expert to
carry out any maintenance or repairs.
Clean the device using a soft, lint-free cloth that is clean
and dry. You may dampen the cloth a little with lukewarm
water in order to remove more stubborn marks. Do not
use any detergents containing solvents, as they could
corrode the plastic housing and label.
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