Meaning of the LEDs
PP 45 RC / PPB 30 RC
LED | Meaning |
Orange | LED flashes x times when the heat recovery operating mode is selected (x = selected ventilation level). When demand-driven operation is selected, the LED lights up for 5 seconds. |
Blue | LED flashes x times when the cross-ventilation mode is selected (x = selected ventilation level). When demand-driven operation is selected, the LED lights up for 5 seconds. In exhaust air mode, the LED lights up 2x for 2 seconds. |
Red | Filter change indicator → Filter changes, unit cleaning and fault indicator light → Faults, rectification. |