14 - EN
EN - 15
2.1 LED behaviour during normal use
LED
State
Description
activity
off
There is no ventilation unit detected on ComfoNet.
on
The unit successfully established a connection to the ventilation unit.
flashing
There is communication between KNX and the ventilation unit. When the power LED is blinking too,
this indicates that the firmware is currently being updated.
blinking once per
second
There is an error in the setup of ComfoNet.
KNX
Off
The KNX bus is not connected or the application cannot be loaded successfully.
On
KNX is operational.
blinking once per
second
The programming mode button has been pressed, and the unit is now in programming mode (to be
used by ETS).
blinking eight times per
second
The unit is programmed by ETS or factory default settings are restored.
ComfoNet
Off
ComfoNet is disconnected.
On
ComfoNet is operational.
blinking once per
second
ComfoNet is initialising.
blinking eight times per
second
A communication error has been detected on ComfoNet.
Power
off
The unit has no power or cannot boot the firmware.
on
The unit has power.
blinking once per
second
The unit is in firmware update mode.
2.2 Reset
To reboot the unit, press and release the reset
button. The unit restarts, initialises ComfoNet
and KNX, and tries to discover and connect to
the ventilation unit. This process takes around 15
seconds. After successful initialisation, all LEDs
should be on (the activity LED may flash).
2.3 Factory Reset
To revert the KNX configuration of the unit back to
factory defaults, press and hold the factory reset
button till the KNX LED starts blinking fast. Release
the factory reset button. The settings are restored
and the unit will reboot.
After performing a factory reset, the unit must be
reconfigured using ETS.
2.4 Firmware update
A firmware update can be done by connecting
a ComfoConnect LAN C and using the ‘Zehnder
ComfoControl’ App from the Apple App Store or
Google Play Store. Follow the instructions on the
App to update the ComfoConnect KNX C. The
firmware cannot be updated via KNX.
3 Guarantee
The unit is covered by the manufacturers warranty
for a period of 24 months following installation, and
up to a maximum of 30 months following the date of
manufacture.
The warranty is rendered invalid if:
�
installation of the unit was not carried out in
accordance with the proper instructions;
�
defects have occurred due to incorrect
connection, incompetent use or contamination of
the system;
�
spare parts used that were not originally
supplied by the manufacturer, or repairs done by
unauthorised persons.
The costs associated with dismantling and
reinstalling at the location are not covered by the
warranty. This also applies to normal wear and tear.
The manufacturer retains the right to change and/
or reconfigure its products at any time without any
obligation to alter previously delivered products.
