The Money Controls C120P validator is no longer supported by the orignal manufacturer, X2 Connect are able to upgrade your validator to accept the new £1 coin
The new £1 coin was introduced into circulation in March 2017 the Royal Mint are producing 1.5 billion of the new coins, after March 2017 the old £1 coin will be quickly phased out and will lose their legal tender status at midnight on 15 October 2017.
X2 Connect can re-program your C120P to accept the new £1 coin in addition to the existing coins your validator accepts.