recording timers sent to wrong Beyonwiz!

[prl]

I have series recordings set for The State Within and Shaun the Sheep on our DP-S1. Last night (Thu 5 Jun) I noticed that our DP-H1 fired up unexpectedly, and when I looked at it, it was doing a timer recording of The State Within, and it had a timer set for StS today (Friday 6 Jun). All the other timers for StS were on the DP-S1 (it's daily except Sundays).

The device name was set correctly on the DP-H1 and is different from the device name on the DP-S1; the device name is set correctly on the recordings on IceTV Interactive. I've got no idea what's going on.

[prl]

A couple of days after posting, I reset the IceTV name on the DP-H1 to be the same as it always had been. This seems to have stopped timers getting sent to it when they were supposed to go to the DP-S1.  ???