You can't but if you open the door and press the door switch in and the light goes out then you know it is definitely out when the door is closed.
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Use the video recorder on your telephone. Set it to record, put it in the fridge, close the door, open the door and play back the recording. If it is too dark to watch this will probably answer your question.
if its plugged in and when you open the door the light is on
yes. there is a button that is pushed when you close it. and when you open it the button is released.
Cold air. Cold air is heavier than warm air so when you open the fridge door the cold air 'drops' out of the fridge onto the floor.
the air in a fridge when you open the door gets hotter because you let the particles out
The double door will usually work out better. You will be able to only open the compartment that you need, keeping the air in for the rest of the refrigerator.
yes
One of the door switches could be stuck. Or the interior light switch could be going bad. See if the open door light is staying on, of if the interior light switch seems stuck or loose.
Refrigerator door works with the help of magnets which are attached behind the rubber seal on the door which attracts to close the door and doesn't open without any force Maheshwari - VI - Sri Aurobindo International School, Hyderabad
Bosh's Integra line of refrigerators offers a door open alarm that chimes when the door has been open for longer than a minute.
yes this could cause it, but it may be something else. try this first, open the drivers front door, the light should go on the dash saying the door is open, now while the door is open take a small screwdriver and closer the lock actuator, now with it actuator locked, does the light go off? if yes, the try the same proceedure on the rear door you think is faulty. if the light does not go off then perhaps the actuator is bad,
If you have noticed the warm air blowing from behind your refrigerator, that is the heat that was in the air that is inside your refrigerator. If you leave the door open the air around the refrigerator will briefly feel cold, but it will warm back up and the food in the refrigerator will go bad.
When you Open a door :)