Restoring Factory Settings; Maintenance And Cleaning - HomeMatic HmIP-WTH-1 Installation And Operating Manual

Restoring factory settings

1x long red flash
6x long red flashes
1x orange and 1x green
light (after inserting batte-
ries)
10 Restoring factory settings
The factory settings of the device
can be restored. If you do this, you
will lose all your settings.
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).
• Remove one battery.
• Insert the battery ensuring that the
polarity is correct
press and hold down the system
button (D) for 4s at the same time,
until the LED will quickly start flas-
hing orange
(see
• Release the system button.
• Press and hold down the system
button again for 4 seconds, until
the LED lights up green.
• Release the system button again to
conclude the procedure.
The device will perform a restart.
Transmission failed or
duty cycle limit is reached
Device defective
Test display
(see figure) and
figure).
Please try again
Command not confirmed"
on page 25)
„9.3 Duty Cycle" on page
25).
Please see your app for
error message or contact
your retailer.
After the test display
has stopped,
you can continue.

11 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 mainte-
nance or repairs.
Clean the device using a soft, lint-free
cloth that is clean and dry. You may
dampen the cloth a little with luke-
warm water in order to remove more
stubborn marks. Do not use any de-
tergents containing solvents, as they
could corrode the plastic housing and
label.
(see „9.2
or (see
27