Rehau NEA SMART 2.0 End User Manual page 54

54
09 Error description
09.01 NEA SMART 2.0 Room unit
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
(interruption)
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 50 RAUCLIMATE SILENT BREEZE fan coils:
Communication error between base and fan coil
E 51 RAUCLIMATE SILENT BREEZE fan coils:
Motor fault
E 52
RAUCLIMATE SILENT BREEZE fan coils:
Fan Coil Stop – difference between air and
T2 water temperature too large
E 53 RAUCLIMATE SILENT BREEZE fan coils:
Sensor T2 water temperature defective
(short-circuit / interruption)
E 54 RAUCLIMATE SILENT BREEZE fan coils:
T2 Water temperature too cold for heating or
too warm for cooling
E 56 RAUCLIMATE SILENT BREEZE fan coils:
Fan Coil in fault mode
E 90 Communication error between Base and
several R-Modules
E 99 Reference to a message that is only displayed
on the NEA SMART 2.0 App
09.02 NEA SMART 2.0 Room probe
Error messages
The following error messages can be displayed on the
room probe via a LED blink code.
Battery low (blink every 5 minutes)
Connection to Base lost (blink every 15 minutes)
Room temperature sensor defective (interruption) –
internal and / or external
Humidity sensor defective (interruption)
General error (antifreeze, dew point, open window)
09.03 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 room unit does not respond to buttons being
pressed
▪ The battery is empty. Please replace the batteries.
▪ The room unit is defective; please notify the installer.
▪ The power supply may be interrupted in the bus
version.