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

5. Malfunctions

5.1 Malfunctions of the CO
Report
After pressing the confirmation
button, the CO LED displays
2
the CO level. The 3 LEDs blink
2
alternately green and red.
The CO LED flashes red 3x and
2
the selected pairing flashes three
times. The original pairing is then
displayed continuously.
The CO LED flashes red con-
2
tinuously.
In case of recurring malfunctions, please contact your Zehnder branch.
5.2 Malfunctions of the CO
There are no known malfunctions of the CO
your Zehnder branch.

5.3 Unsafe situations

Situation
The CO Sensor got wet.
2
RF Sensor
2
Problem
■ The CO Sensor is not yet
2
paired with a ventilation unit.
■ The installation has not been
completed correctly.
The pairing works, but there's no
communication.
The CO level is too high. The
2
pairing works, but there's no
communication.
0-10V Sensor
2
0-10V Sensor. If this does not work, please contact
2
Safety
Do not touch the CO
2
Sensor.
Solution
Pair the CO
ventilation unit. Refer to the device
installation manual.
1. Remove objects that may
block wireless communication.
2. Try changing the pairing mode.
1. Remove objects that may
block wireless communication.
2. Ensure sufficient air quality by
opening windows and doors.
Action
1. Switch off the
electricity.
2. Remove the CO
2
Sensor from the wall.
3. Dry all parts.
Sensor to the
2
Support
In the event of damage
to the CO Sensor,
2
please contact your
Zehnder branch.
23 - EN