PP 45 RC / PPB 30 RC fault messages

Red LED (*)

Fault

Internal error in control

Fault LED in alternation: lights up for extended period and then flashes briefly 1x.

Fault rectification: Ensure that no voltage is present, restart the unit.

To reset the unit, press:

for 2 seconds.

Master-slave communication

Fault LED in alternation: lit up for extended period and then flashes briefly 2x.

Fault rectification: Check communication paths for radio signals and select a different positioning if necessary.

If the fault still occurs, set the unit to “single-room ventilation unit” in the service menu.

Internal sensor defective (I2C)

Fault LED in alternation: lit up for extended period and then flashes briefly 3x.

Fault rectification: Check that the sensor is positioned correctly or replace the sensor.

External sensor not reporting

Fault LED in alternation: lit up for extended period and then flashes briefly 4x.

Fault rectification: Check sensor.

No communication with the EnOcean module PP 45 EO

Fault LED in alternation: lit up for extended period and then flashes briefly 5x.

Fault rectification: Check PP 45 EO module for functionality.