hi,, its best if you give make and model of stairlift to answer your question............but i know one of stannah 250 model has green/yellow light on armrest,,the green light only comes on when parked on charge point,showing charge is getting to batteries in carriage the yellow light means lift is switched on and goes out when switched off on arm rocker switch or the key switch under armrest...........hope this helps..regards.....
IAN........PORTSMOUTH/UK, April 2011
