Thanks for your replies.
Child lock is definately off.
I've used a multimeter which confirms that power is only feeding through the off peak wall switch (next to each heater) at off peak times so i think that is running correctly.
How would i run a diagnostic?
Hi there,
I have 4 Dimplex Duo400i strorage heaters installed which have never worked properly. The instructions say to access the storage heat hold down the plus button until all bars lit then continue to hold for a further 7secs - however no matter how long i hold the plus button down for the...