T7i is 7 years old and having issues, should I get it fixed, or upgrade?

[strux]

I'm increasingly getting the Error 01 code (The communication between the camera and lens is faulty) with both my lenses, so I'm guessing it's the body. Removing the lenses and putting them back on helps for a few shots, but then it's back to the error.

It seems like I just bought that camera , but I bought it in 2017, so it's 7 years old. It's in great shape otherwise. Hardly any wear, but I've read that getting them repaired is expensive, so I'm wondering if I should bother, or just upgrade to a new one? 

[kvbarkley]

Is one of your lenses a big, heavy one?

I would say: Upgrade!

[strux]

Yes! I have a 70/200.

[kvbarkley]

It is unlikely, though possible that hanging that big lens on the camera damaged the mount. Are you having any light leak issues?

Try pushing up on the lens in the direction of the contacts and see if that helps.

[Tronhard]

Hi Keith:
I see what you are getting at, but I would have thought most people would support the camera with the weight-bearing hand under the lens, or on a tripod mount, and the body is not really heavy in itself.
@STUX:  Is that how you hold the camera with that 70-200 attached?

[Stephen]

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@Tronhard wrote:

 most people would support the camera with the weight-bearing hand under the lens, or on a tripod mount.

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Back when I was a tech, that's how I always recommended holding the camera and a heavier lens. Just to prevent any extra stress on the mount. 

[strux]

There have been a few times I put it on a monopod without holding the lens. 

[strux]

Not noticing light leaks. Could it be humidity? It's been rainy and humid here, but today is dry, and I've tried changing the lenses and turning the camera on and off several times, and haven't had the problem (so far). 

[snwj]

I assume you cleaned both lens and camera contacts...

[Waddizzle]

The cost to repair might be past the point of diminishing returns.  I recommend reaching out to Canon to get an estimate.  Ask about their upgrade program.