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I’ve got a weird problem. I went to go in the garage this afternoon and the remote wouldn’t open the door. I got the spare and that wouldn’t work either. I ended up breaking in via the back window (no other access). Once I was in and close to the unit it worked. Even more weird is that the remote for the shutter in back bedroom was doing the same thing.
I know that there’s power to the receivers.
I know that both remotes work when they are close to the units.
It would be a hell of a coincidence if it was a battery problem for all 3 remotes.
I have now boarded the broken window up and shut the garage door again. I am
kicking myself because I didn’t try switching the trip for that circuit on and off in case it reset something.
Any ideas?
We have batteries as well as mains power for our garage door. Last forever, but when they go, nothing works. I changed them and all of sudden the door works!!
Interference from some external source?. Does the door not have a manual override of some sort? Our last one had a hex drive crank that was hidden behind a little lockable hatch.
switch the trip for that circuit on and off (or better yet, off and on) in case it reset something? 😁
When you say "I know that there’s power to the receivers" is it possible that the door itself is mains-powered but the receiver is battery? (Also, "receivers" plural?)
Receivers (plural) as there is one for the door and one for the bedroom window. They are mains fed. Plus they do work, just when you are close to them.
No external way of opening it. The ones at work can be hand cranked to open so I know what you mean.
My gut feeling is that it’s to do with the range of the remotes but I have no idea why they would both suddenly stop working for no reason after years of use with no problems.
Put a new battery in one of them and see what happens.
Surely easiest and cheapest trouble-shooting option is replace batteries as mentioned above.
And if you bought all the remotes at the same time (and have never replaced batteries) then all the remote batteries are (possibly) reaching end-of-life at the same time....
Roller door at our previous place had (aa?) batteries in the square box attached to the inside bottom of the door. When they ran out the door wouldn’t work
Thanks all.
I will put a new battery in one of them to try but the roller shutters were already fitted when we moved in two years ago. I have since bought an extra remote for the garage door. The window one hardly ever gets used. The spare for the door never gets used. All 3 of them work inside the garage.
I have opened the control box today to see if anything was obvious in there. I have a wiring diagram of said box. There are no batteries in it.
I am going to contact the manufacturer tomorrow. Either that or the local company that fitted the shutter and door.
Is there an external receiver for signal? We have 2 battery receivers on powered gate at work. Gate is hard wired but failed to operate due to the 4 batteries being flat 
Nope.
A scroat in the bushes with a code grabber ready to come back tonight?.....
Apparently not!
Update:
I rang the Technical Dept of the maufacturer. Explained it all to him. He agreed with me that it was an issue with the remote transmitting to the receivers. He couldn't imagine what it would be but something was blocking the frequency and not just briefly either.
Meanwhile I got a message from my wife. She'd tried the remote for the window shutter this morning and it worked! She'd then had to go out so I asked her to try the garage door one when she came back. She did and that worked too. So that's good news in one respect but it doesn't tell me what happened. Next doors garage is joined to ours so I'm going to have a word with them just in case they have changed something recently that could have affected things. I'm also going to have to get a new window pane...
I’m also going to have to get a new window pane…
As per @hot_fiat is there no manual wind option on the door?
Our last one had a hex drive crank that was hidden behind a little lockable hatch.
As per @hot_fiat is there no manual wind option on the door?
This (both of them). I thought they had to have a manual means of getting in if there is no other access? I know ours does (there is a small keyhole to the side of the door which I unlock and remove the barrel to reveal the access to the manual winder).
Sadly there isn't. However there might be in the future!
Just don't store the manual winder in the garage 🤦🏻♂️
Sadly there isn’t. However there might be in the future!
Should be relatively straight forward to retro fit one.