Garage door opener problem
I'm hoping it's nothing and will be fine tomorrow. |
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| Could snow have melted and refrozen on the sensors so you're only getting a partial signal? |
| I have had this issue. Mine occurs when the sun shines at a certain angle. So I have to shadow the senor if I am outside. I angle the car to sheild it sometimes or get out of the car and block the sun.
The other issue could be to clean the senors with a bit of windex if they are already lined up properly.... Good luck. |
| In addition to the sensors which detect if something crosses the doorway while it is closing, all modern motorized garage doors have another safety feature: automatic reversal if the door actually hits an obstruction while closing.
Changing weather can change the amount of work the motor has to do to close the door. The tracks get slightly out of alignment, the wheels are harder to turn, the springs are cold and harder to stretch. All of these can create an extra workload on the motor which can be interpreted as excessive force required to shut the door. That is the long way of saying that the system thinks there may be something in the way of the door closing. There is a downforce adjustment on the unit. It may require turning a knob or using the tool, it may be on the outside, or require access inside the case, but the adjustment will be there. Make it just strong enough to close the door, and for safety's sake check to see if a roll of paper towels laid down under the door will cause the door to go back up when squashed. |
| The snow has stopped (we now have a foot of the white stuff) and the door works. It groans a bit (probably it's stiff from the cold). I remember this happened a few years ago. It must be very sensittive to think a few snowflakes is a major obstacle. |
| I had the same thing happen to mine a few years ago.
The house had shifted a bit due to the drought. At first I used graphite powder on the tracks and that worked but it reoccurred a few months later and I had to get the installers back to realign the tracks. |
| Mine was doing the same thing the last few days. We had some ice and frozen snow in the bracket of the door. I hads to clean it away a few times before it would close completely. Amazing what a teeny bit of water/snow/ice can do to keep the door from closing. |
 This happened to me exactly a year ago in when the Temp was -20C! The darn thing kept getting stuck at open. the cold weather was the last sstraw!  I eventually had to call a repairman who informed me that the motor was burned out: it was nearly 20 years old. I now have a new one with an electronic eye and an external key pad.  |
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