HomeMatic HM-CC-TC, Installation And Operating Manual

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8.13 Setting the position for errors on the actuator
"EPO"
If the batteries of the valve drive are low or if the communication
to the heating controller is erroneous, the valve drive moves to
the defined error position and remains in this position until the
error is rectified.
This position can be set for each valve drive individually with
special function "EPO".
Call up special function "EPO" and confirm with the "OK" button.
Use the setting dial to select the desired valve drive and confirm
with the "OK" button. Use the setting dial to choose the desired
position that should be attained in case of an error (0-99%).
Confirm the entry with the "OK" button.
8.14 Resetting to factory status"RES"
This special function can be used to reset the heating controller
to factory status. Call up special function "RES" and confirm with
the "OK" button.
The device is reset to its factory setting. The start up is then
performed as described in chapter "Start up".