Fault messages of RLS 45 K
LEDs flash, 
Fault LED = On
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| Internal error in RLS room air control Fault rectification: Ensure that no voltage is present, restart the control. To perform a reset of the control, press Press |
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| Overtemperature/overload of mains adapter Fault rectification: Check the ambient temperature and allow the mains adapter to cool down. |
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| No communication or failure of the external power units/RLS or ventilation units Fault rectification: Check connection to the LT/RLS. Check the settings in the software (e.g. activated LTs that are not connected). Incorrect addressing (e.g. two slaves with the same address). |
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| No communication and/or failure of the sensors (RS 485, I2C) Fault rectification: Check connection to the sensors. Check settings in the software (activated sensors that are not connected). |
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| Internal system error – RLS slave power unit / ventilation unit Fault rectification: Switch off the voltage. |
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| No communication with the EnOcean module (PP 45 EO) Fault rectification: Check wiring. If the connection is correct, the error disappears. |
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| No communication with taught-in sensor Fault rectification: Check cable connection to taught-in sensor. |
+ 
for 5 seconds.
