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The Ninja Professional Blender 1100 watt model BL663CO, is a high-performance blender used for ice crushing, blending and pureeing.

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Why won't it turn on

My ninja blender 1100 won't turn on at all please help me fix it.I checked everything except for the engine.I put the cup in and the light won't turn on.

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When you press down, a plastic shaft comes in contact with a button switch on the circuit board. The switch fails over time, sometimes quickly because it is a cheap component. Unfortunately, unless you are electronically skilled, there is no way to fix or rig up a bypass. Unless it is under warranty, you are done. So, in my case, I have a pile of plastic components and electronics that are worthless.

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Had my Ninja for about 4 years and also stopped working. Same problem, no power whatsoever.

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The Ninja blender is picky. Make sure the lid is on with the spout directly opposite from the handle. And if the lid is not locked down completely, the power button will flash red and not start. ALSO... make sure the pitcher of the blender is on the base correctly. It will fit onto the base in any position, but if it is very difficult to rotate the pitcher into a locked position, it is not on correctly. The pitcher should rotate on the base with very little effort.

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It appears my lid is on and is locked, although it is difficult to lock.. The light keeps flashing and it wont turn on

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handle needs to be in front of the blender. was having troubles until i did that.

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My blender wasn't work I matched up the arrows and face the handle to the front now it works

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I just slammed it really hard and it’s fixed

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It works really good now

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Ha ha. I was reading all the comments about how to fix it if the light doesn't turn on at all, and this is what helped. Thanks so much Alen. Slammed it hard on the counter and it works again. Thank you so much.

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I was out of options so I also decided to try slamming it on the counter. It turned back on and works perfectly!

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I encountered same problem and tried to take the Mask off to look at the engine but two screws holding it are very hard to unscrew. I hit it with a hammer; it work for a moment and became a hero but alas; when my wife used it it didn’t work.

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I have a unique problem,it will run empty or with liquid,but when you put

food in the motor runs but the blades dont turn, It just don't make sense

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I’m having similar problems with Auto IQ blender. I determined that the two micro switches that are supposed to close when the container is twisted into place aren’t working.

When they don’t close correctly the display shows two dashes. When they are closing correctly the display shows a zero and the unit will start once you select a program.

When first I noticed it, the problem would resolve after removing the container and reinstalling. Lately I have to reinstall the container several times before it will work.

You can see the switches if you look in the locking grooves on the top of the unit. This is where the little tabs on the blending top get seated when the container is twisted into place.

I’m going to try some contact cleaner. Was going to take the unit apart but I don’t have a small enough screwdriver.

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Unplug unit before you do this

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Maybe you press the power button too much. Just 1 small tap and a 1- minute wait will work.

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wow. all this time. and I just figured it out. First, you select blend or ultra blend…wait a bit until 0 comes up on screen than hit start! I have been racking my brain all this time thinking it just didn’t work!!! lol

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did you try to change the fuse?

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Where is the fuse

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Where is the fuse and what is the fuse?

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Please advise of the tool needed to open the devise to change the fuse? Not able to find. Thank you for your response.

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The Ninja professional 1100 watts blender has some safety features that will not allow it to start if things are not aligned as intended.

Problem: The power light will flash when pressed and the blender will not start with the large container but will start with the small serving containers.

Solution: The large blender container and lid must be in the correct orientations. 1- place the lid spout in the opposite corner of the container handle. (There is a little cut out in the lip around the lid that sticks out over the handle a little bit.) 2- close the handle on the lid. (The lid handle has a pin that reaches thru the little cut out and presses a pin inside the handle.) 3- place the container on the base with the handle on the front right or front left corner and lock in place. It should rotate easily. (The pin inside the handle sticks out the bottom a little bit and releases a safety switch in the base.)

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My Ninja was working and water started spilling from the top, therefore I stopped it and unplugged it and now it won't work. There are no lights coming on and everything is aligned like it should be. I also checked the GFCI and it's working and other appliances work when they're plugged into any of the kitchen outlets. What can be wrong? It's literally brand new...only a couple of months old and not used on a daily basis.

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My square blender lid is not letting the machine start it runs with the lid not locked but when you push down and lock the lid it stops . We have tried everything do I need to buy a new lid ?

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When I use my blender it will come on for a couple of seconds then goes off and i have to turn it off back on and press the button I want to use couple seconds shuts off again I have to repeat several times before it will stay on for how long I wish to use it. Any ideas on what can cause this?

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I’ve been having the same problem getting the container to engage the base. I ordered a new base under warranty today. They don’t require that you return the base, but they did charge me $21 for shipping, so they make a little profit in the process.

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My ninja bullet suffered from the same problem. The safety mechanism was slowly failing. I fixed it by applying some thick 3M tape to the switches inside, but you could probably also just bend the contacts with a pliers. I found the ninja bullet is designed to be pretty easy to service and took about 20 min. Blender is working great now!

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