[SOLVED] Successfully fixed Drayton Tempus 7 Solved

Thanks very much - this worked perfectly

But why did it get confused in the first place. Maybe dodgy battery connections or borderline battery?

Brian

I bloody love the internet, was having problems with my heating starting up (Micron70FF), then when resetting the controller by turning off the power t o reset a lockout error the display went screwy showing 10EE. Tried taking apart and was going to replace when I saw Bob's post. You are a star as it worked for me, I think the battery needs replacing but as it only used when the power goes off I'll risk it for now. Cheers Bob

Simon

The battery on mine was old and this was the cause of the corruption, the b attery is a CR2032 which is soldered vertically into the PCB so no way of d isconnecting it. I have now taken out the old battery and replaced with a n ew one(available from Farnell). One issue is that the program appears to ha ve changed in that when the heating is turned on the hot water comes on as well! Oh well at least it works.

There are two Select buttons. Which one to press with Time+?

Thanks Mian

Thanks Bob. Worked a treat and house is now warm again.

Bingo, it worked in spite of my heating engineer telling me it wouldn't. So saved over £100. To remove the back on mine I needed to udo four screws, two of which were hidden beneath labels.

We don't know what worked though. Brian

Sorry. Shorting the battery solved the problem.

This is so true..I have just fixed mine ..but had to remove those two labels as well...thank you for pointing this out. one label explains whether it is gravity or pump and is L shaped and the other describes the model and is larger,,,thank God for google !!!

My timer and boiler are working perfectly now !

And thank you Bob ever so much for letting us all know how to fix our timers !!!

So what is the culprit that causes the issue in the first place, corrosion of the battery connections perhaps? Brian

On my Honeywell, the rechargeable battery simply failed through age - and likely a crude charger. Simple enough to solder in a new one. These days I'd expect Li-Ion, which with a decent cell and charger should last the life of the device.

Did it for me too, after a couple of attempts. 👍Three way motorised valve needs replacing now. Happy days. 🤞

A life-saving tip, very very grateful. My Tempus 7 had been knocked out in a power outage and I had tried various other suggestions which - as it so often the case - didn't work, before stumbling on this, which worked a treat. As someone else mentioned, a couple of the screws securing the faceplate to the main body are hidden under labels but just peel those back and they are then accessible. THANK YOU BOB, THANK YOU!!