Fault rectification
Fault rectification is only permitted by the specialist installer → Supplementary safety instructions.
DANGER due to electric shock
Observe the safety rules of electrical engineering. Before taking off covers and before installing the electrics, shut down all supply circuits, switch off mains fuse, check that no voltage is present, secure against being accidentally switched back on and position a visible warning sign.
Fault messages are displayed on the control units, the APP or the web tool.
In the event of a fault, the ventilation unit switches to emergency mode. The fault symbol along with the time and date of the fault appear on screen. All 3 LEDs flash on the RLS 1 WR.