Have set CH to come on at 6.30 am and then later in day. Programmer will not automatic come on at 6.30 am. I have to manually bring switch down from auto to off and then up to auto again for ch to switch on. It switches off okay and comes on okay for rest of settings just that first setting will not come on automatic. It was okay before summer. Have reset unit but no use. Read more: https://www.diynot.com/diy/threads/centaurplus-c21-timer.488780/#ixzz4sds959uR