The engineer chappie came this morning to look at the problem of 'lazy' remote.
He tested the input signal strength from the cable on a meter and said he was looking for around +6 on the analogue and -6 on the digital with a difference between the 2 signals of between 9 and 12. He registered +1 on the digital so put a little box in the line to reduce the strength.
After a couple of hours of regular testing the problem seems to have been CURED.