Malfunctions Of The Co Rf Sensor; Malfunctions Of The Co 0-10V Sensor; Unsafe Situations - Zehnder CO2 Sensor Manuel D'installation

9.3 Malfunctions of the CO
Fault
After pressing the confirmation
button, the CO LED displays
2
the CO level. The three LEDs on
2
the right blink alternately green
and red.
The CO LED flashes red 3
2
times.
The selected ventilation mode
flashes 3 times. The original
mode is then displayed
continuously.
The CO LED flashes red
2
continuously.
In case of recurring malfunctions, please contact your local Zehnder representative.
9.4 Malfunctions of the CO
There are no known malfunctions of the CO
contact your local Zehnder representative.

9.5 Unsafe situations

Situation
The CO Sensor got
2
wet.
RF Sensor
2
Problem
■ The CO Sensor is not yet
2
paired with a ventilation unit.
■ The installation has not been
completed correctly.
The CO Sensor is temporarily
2
disconnected from the
ventilation unit.
CO level is too high.
2
The sensor tries to increase
ventilation, but there is no
communication.
0-10V Sensor
2
Safety
Do not touch the CO
2
Sensor.
0­10V Sensor. If this does not work, please
2
Action
1. Switch off the
electricity.
2. Remove the CO
Sensor from the wall.
3. Dry all parts.
Solution
Pair the CO Sensor to the
2
ventilation unit. Refer to section
4 for the correct installation.
1. Remove objects that
may block wireless
communication.
2. Try operating the ventilation
mode again.
1. Remove objects that
may block wireless
communication.
2. Ensure sufficient air quality
by opening windows and
doors.
Support
In the event of damage
to the CO Sensor,
2
please contact your
2
local Zehnder
representative.
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