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How To Fix Err 01 - Communications Between Camera And Lens Faulty

Err 01 Communication between the lens and camera is faulty between Canon M50 and EFM-eighteen-150mm

Err 01 Communication between the lens and camera is faulty between Canon M50 and EFM-eighteen-150mm

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Hi All,

I have the Canon EF-M 18-150mm lens for ix months. It was working perfectly until this morning when I tried to take a photo of my walk. The error is "Err 01 Communication betwixt the lens and camera is faulty". I tried removing the lens from my M50 and remounting it. The error went away merely came back soon afterward taking a few shots.

The photographic camera is unable to use autofocus and the shutter button doesn't respond after I run across this mistake. Anybody encountered it earlier. Any idea is information technology a simple to resolve event or do I need to transport information technology for repair? Thank you.

mcsk • Regular Member • Posts: 126

Re: Err 01 Communication betwixt the lens and camera is faulty between Canon M50 and EFM-eighteen-150mm

Try cleaning the contacts - a swab or cloth with a fleck of alcohol would be best. If that doesn't fix it, information technology may be an electronics failure in the lens.

OP Steven_Jus • Junior Member • Posts: 28

Re: Err 01 Advice betwixt the lens and camera is faulty betwixt Catechism M50 and EFM-eighteen-150mm

Okay thanks. I did more than testing. I was having the same error when i switched on the photographic camera with EF-Grand eighteen-150mm after reaching dwelling. I unmounted the Canon EF-M eighteen-150mm lens from the photographic camera body and used a blower to blow the contact point betwixt the camera trunk and lens. To ensure that it is not the photographic camera body problem, i mounted my EF-One thousand 11-22mm lens to the M50 body and took a couple of shots with no problems.

I proceeded to unmount the EF-Yard 11-22mm lens and mounted dorsum the EF-M xviii-150mm. The camera is now working fine now and I tested that information technology work in Auto, Manual, AV, TV mode. I can perform auto focus, transmission focus, change the aperture now.

Perhaps a lose connection between the connection pins of the lens and camera body as a upshot of screwing in an CPL filter into the lens in the morning? This is the first time I add a CPL filter to the xviii-150mm lens.

mcsk • Regular Member • Posts: 126

Re: Err 01 Advice between the lens and camera is faulty betwixt Canon M50 and EFM-18-150mm

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That typically shouldn't crusade a problem, only it could if there'southward a bit of play in the mountain. Though I would take expected the first remount to fix it if that was the example. Typically my first idea for intermittent communication problems would exist a chip of clay or oil. (Fifty-fifty a tiny, invisible fleck of pare oil from touching it can disrupt the electrical connectedness if information technology'southward in the wrong place - that's why I'd wipe it with alcohol if unmounting/remounting didn't practice the play a joke on.) Intermittent issues that come back subsequently cleaning may betoken something like a flex cable in the lens beginning to fail. Especially if it pops up seemingly at random and not immediately after you lot mounted the lens.

OP Steven_Jus • Junior Member • Posts: 28

Re: Err 01 Communication between the lens and camera is faulty between Canon M50 and EFM-xviii-150mm

mcsk wrote:

That typically shouldn't cause a problem, but it could if at that place's a bit of play in the mountain. Though I would have expected the commencement remount to fix it if that was the case. Typically my first thought for intermittent communication issues would be a bit of dirt or oil. (Fifty-fifty a tiny, invisible fleck of pare oil from touching information technology can disrupt the electric connection if it's in the wrong place - that's why I'd wipe it with alcohol if unmounting/remounting didn't practise the fox.) Intermittent issues that come back after cleaning may signal something similar a flex cable in the lens commencement to neglect. Peculiarly if it pops up seemingly at random and non immediately later you mounted the lens.

Noted. I also find it weird, and hopefully the trouble is actually a case of lose connection and not failure of internal ribbon or flex cable. The outset remount was done outdoor apace as i feared of dropping the lens into the river abreast me😅.

Is in that location whatsoever specified type of Alcohol to use for cleaning?

I volition observe it this few 24-hour interval. If necessary I will bring it down to the service center far away from my surface area to have a cheque.

mcsk • Regular Fellow member • Posts: 126

Re: Err 01 Communication between the lens and camera is faulty between Canon M50 and EFM-18-150mm

For stuff like this I just use normal isopropyl rubbing alcohol that yous'd get at a pharmacy. College % is ameliorate, but as long equally it doesn't have any additives like hand sanitizer that would leave a residual it'southward fine. Y'all tin can become the super pure stuff that's marketed for cleaning electronics, just for this application information technology doesn't really matter.

Re: Err 01 Communication betwixt the lens and camera is faulty between Canon M50 and EFM-18-150mm

Steven_Jus wrote:

Okay thank you. I did more testing. I was having the same error when i switched on the photographic camera with EF-Chiliad 18-150mm after reaching home. I unmounted the Catechism EF-M 18-150mm lens from the camera body and used a blower to blow the contact point between the camera trunk and lens. To ensure that it is not the camera trunk problem, i mounted my EF-Chiliad eleven-22mm lens to the M50 torso and took a couple of shots with no problems.

I proceeded to unmount the EF-M eleven-22mm lens and mounted dorsum the EF-M xviii-150mm. The camera is now working fine now and I tested that information technology work in Auto, Manual, AV, TV mode. I can perform auto focus, manual focus, alter the aperture now.

Maybe a lose connection between the connection pins of the lens and camera body equally a result of screwing in an CPL filter into the lens in the morning? This is the get-go time I add a CPL filter to the 18-150mm lens.

Practiced the hear that all is well though I incertitude if the CPL had any begetting on the upshot. FWIW I once had a niggling blip later on mounting one of my lenses,can't recall which 1. Unmounted it , then remounted haven't had whatsoever issue since so I'm guessing that I hadn't clicked the lens all the mode home.

OP Steven_Jus • Junior Member • Posts: 28

Re: Err 01 Communication between the lens and camera is faulty between Canon M50 and EFM-18-150mm

Hi, I tried again this morning. Out of the 100shots I took, I saw that this error appears twice specially at 50mm focal length. Hence, I tried to have more photo with the 18-150mm at the focal length of 50mm merely is not able to replicate the fault. Seems like the problem is nonetheless there? 😕

Re: Err 01 Communication between the lens and camera is faulty betwixt Canon M50 and EFM-18-150mm

That'southward not skillful,lamentable hear that the trouble has intermittently returned.

mcsk • Regular Member • Posts: 126

Re: Err 01 Communication between the lens and photographic camera is faulty between Canon M50 and EFM-18-150mm

one

If the problem is returning, specially seemingly at random and not correlated to something like mounting the lens, then is unfortunately probably a trouble with the lens itself. Happening at or around a sure focal length could but be coincidence, or could bespeak a cable or connection in a stressed position at that focal length, interrupting communication. Either style, information technology will likely need to be repaired.

YehudaKatz • Senior Fellow member • Posts: 2,385

Try a unlike lens and see what happens.

Steven_Jus wrote:

Hi All,

I have the Canon EF-Yard 18-150mm lens for 9 months. It was working perfectly until this morn when I tried to take a photo of my walk. The error is "Err 01 Communication between the lens and camera is faulty". I tried removing the lens from my M50 and remounting information technology. The error went away but came back before long after taking a few shots.

The camera is unable to utilize autofocus and the shutter button doesn't respond after I encounter this fault. Anybody encountered information technology before. Any idea is it a elementary to resolve result or practice I demand to send it for repair? Cheers.

Canon EOS 6D Canon EOS M50 Canon EF 24-105mm f/4L IS USM Canon EF-1000 22mm f/two STM

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