Error Description - Rehau NEA SMART 2.0 End User Manual

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Error description

Error messages
The following error messages can be displayed on the
Room unit. For resolving these issues, please contact
your installer.
E 01
Room temperature outside the measuring
range
E 02 Room temperature sensor defective (inter-
ruption)
E 03 Short-circuit room temperature sensor
E 04
Humidity outside the measuring range
E 05 Humidity sensor defective (interruption)
E 06 Short-circuit humidity sensor
E 07 Remote sensor temperature outside the
measuring range
E 08 Remote sensor defective (interruption),
check connecting lead
E 09 Short-circuit remote sensor, check
connecting lead
E 10 Connection error between base station and
R-/U-Module
E 90 Communication error between Base and
several R-Modules
E 99
Reference to a message that is only
displayed on the NEA SMART app
End user manual
Faults and possible causes
The room does not get warm.
▪ The target temperature is set too low.
▪ A window is open and therefore the heating has
switched to reduced mode.
▪ The battery of the thermostat is empty. Therefore,
no data/commands can be sent to the system.
▪ In the bus version, the power supply may be inter-
rupted, so there is no contact to the system.
▪ The heating system is not in heating mode or OFF.
▪ Other fault which can only be fixed by your installer.
The room is too hot
▪ The target temperature is set too high. Therefore,
the system continues to heat up.
The controller does not respond to buttons being
pressed
▪ The battery is empty. Please replace the batteries.
▪ The controller is defective; please notify the
installer.
▪ The power supply may be interrupted in the bus
version.
An antenna symbol is displayed on the thermostat.
▪ The Room unit has lost its connection to the Base.
Please let your installer clarify the problem. It may
be necessary to use an additional antenna.
A window is shown on the display
▪ An open window or a rapid temperature drop has
been recognized in the room. To conserve energy,
the heating of the room is reduced.
Drops are shown on the display
▪ The humidity in the room is very high. There is a risk
of condensate forming on cold surfaces. If this
occurs often, there is a risk of mould growth.
E01 ... E10 or E99 is displayed on the room unit
▪ This is an error code, please check the error list and
contact the installer if required.
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