Hello. Me again. The new SUNDIAL RF2 Pack3 controller installed in November 2015 (see above) has just failed again, only two weeks after the heating was switched on for the winter - the clock reverted by itself to the default date/time so the system is, again, almost impossible to use. Anyone...
To TRTesting. 5 weeks ago our contractor fitted the fourth controller and this time the clock problem seems to have gone away. This controller was obtained direct from Honeywell and has a recent manufacture date. We understand that there have been problems with back up batteries of units...
Hello. Have a recently installed Sundial RF Pack 3. Clock reverts periodically (4 times in last month) to default (2010) - seems to be random fault. This is third new controller - exactly same problem. System otherwise OK. Has anyone got same problem ?