ARC Newsflash: RTBF Pure FM transmitters silent on MW

Belgium RTBF’s channel Pure FM has transmitters in Liège 1233 kHz and Marche 1305 kHz. They have been silent for a week now. 3 days ago I mailed them asking for the reason. French language was used. No answer yet (Bengt Ericson, ARC, Växjö)