Malfunctions; Rf Sensor; Malfunctions Of The Co 0-10V Sensor; Unsafe Situations - Zehnder RF55 Manual De Instalación

8. Malfunctions

8.1 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 times.
2
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 Zehnder branch.
8.2 Malfunctions of the CO
There are no known malfunctions of the CO
your Zehnder branch.

8.3 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 CO Sensor is temporarily
2
disconnected from the ventilation
unit.
The CO level is too high.
2
The sensor tries to increase
ventilation, but there is no com­
munication.
0-10V Sensor
2
0­10V Sensor. If this does not work, please contact
2
Safety
Do not touch the CO
2
Sensor.
Solution
Pair the CO
tion 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.
Action
1. Switch off the
electricity.
2. Remove the CO
2
Sensor from the wall.
3. Dry all parts.
Sensor to the ventila­
2
Support
In the event of damage
to the CO Sensor,
2
please contact your
Zehnder branch.
43 - EN