What could cause this?
- bigfish
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What could cause this?
I'm having this problem where the motor will monetarily stop working and then start again. When it stops it makes a grinding sound. Anyone else having this problem? What's happening.
- Lady Fraktor
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Re: What could cause this?
It sounds like there are worn gear teeth or loose/ skipping gears inside.
If it is still under warranty send your video to Orion Tech Support, do not open it without their say our you could likely void your warranty.
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- bigfish
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Re: What could cause this?
Do you think a grossly unbalanced telescope could cause it?
I played with the mount for hours yesterday without the scope on it and could not reproduce the sound. I'm going to try today with the scope on it. I think it may be my fault for not balancing.
What would happen with a higher end mount if the scope was really out of balance?
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Re: What could cause this?
what mount is this ?
cameras : asi 1600mm-c/asi1600mm-c,asi120mc,prostar lp guidecam, nikkon d60, sony a7,asi 290 mm
mounts : eq6 pro/eq8/mesu 200 v2
filters : 2'' astronomik lp/badder lrgb h-a,sII,oIII,h-b,Baader Solar Continuum, chroma 3nm ha,sii,oiii,nii,rgb,lowglow,uv/ir,Thousand Oaks Solar Filter,1.25'' #47 violet,pro planet 742 ir,pro planet 807 ir,pro planet 642 bp ir.
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Re: What could cause this?
the motor stalls , the sound is less of a grind noise but more of a clunk,clunk,clunk.. yours sounds like it's chirping pretty loud even for a motor stall. makes me think that's theres balance problem,or a tight spot on the worm wheel which is causing load on the steper motor gear reduction box if it has one .. too much clacking for a stepper to a gear cog to a worm .
it may even be just a bearing
cameras : asi 1600mm-c/asi1600mm-c,asi120mc,prostar lp guidecam, nikkon d60, sony a7,asi 290 mm
mounts : eq6 pro/eq8/mesu 200 v2
filters : 2'' astronomik lp/badder lrgb h-a,sII,oIII,h-b,Baader Solar Continuum, chroma 3nm ha,sii,oiii,nii,rgb,lowglow,uv/ir,Thousand Oaks Solar Filter,1.25'' #47 violet,pro planet 742 ir,pro planet 807 ir,pro planet 642 bp ir.
extras : skywatcher f4 aplanatic cc, Baader MPCC MKIII Coma Corrector,Orion Field Flattener,zwo 1.25''adc.starlight maxi 2" 9x filter wheel,tele vue 2x barlow .
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Re: What could cause this?
Always, always balance the rig. If you are in a desperate hurry, an approximate balance is better than none at all. But the stars aren't going anywhere. Take your time and get it right.
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- Lady Fraktor
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Re: What could cause this?
A 200mm newtonian is a lot of telescope for a Skyview Pro to carry in the first place.
Once you do get it balanced I would recommend turning the slew speed down a step or two just to be nice to the motors.
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- bigfish
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Re: What could cause this?
I have balanced the scope and it still is happening. It appears the damage is done.
I don't see any slew speed control, only tracking.
https://m.facebook.com/groups/726295037 ... 9101213095
- John Baars
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Re: What could cause this?
If the same problem occurs without telescope and counterweights it is obvious.
Can you set the parameters of the motors?
If not slewing should be done no longer than the time it takes for the motors to shudder. Than stop a second and restart slewing.
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- Lady Fraktor
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Re: What could cause this?
One of the buttons should have RATE on it. Press that and then a number between 1-9.bigfish wrote: ↑Sun Oct 18, 2020 7:58 pm It seems both motors stop when this happens.
I have balanced the scope and it still is happening. It appears the damage is done.
I don't see any slew speed control, only tracking.
https://m.facebook.com/groups/726295037 ... 9101213095
9 is normally full speed, I would slow it down to 6-7 and check again.
This does not affect tracking speed only slew rate.
I do not use facebook so cannot read your link.
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- bigfish
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Re: What could cause this?
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Re: What could cause this?
I’ve run into the same problem before. I’m thinking same as the posters before me.
Balance, tighten things up.
I would add watch the cables at all times when slewing, keeping one thumb above the “esc” button to prevent yanks and motor stress.
Keep speed down.
I hope yours isn’t too badly damaged.
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- ARock
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Re: What could cause this?
This would suggest some kind of an electrical problem/overheating with the controller. Are you running off batteries or a mains power source? Check for fluctuating voltages if you can.
This person seems to have a similar problem
https://www.cloudynights.com/topic/7313 ... both-axes/
Scopes: Zhumell Z8, Meade Adventure 80mm, Bushnell 1300x100 Goto Mak.
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- bigfish
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Re: What could cause this?
Last month my hand controller and control box died. Orion replaced them and now it is making this noise.
I'm wondering now if the motors had anything to do with the controller box dying?
I think I discovered that it only makes this noise when both motors are working together.
- ARock
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Re: What could cause this?
https://www.cloudynights.com/topic/5372 ... ed-resets/
Scopes: Zhumell Z8, Meade Adventure 80mm, Bushnell 1300x100 Goto Mak.
Mount: ES EXOS Nano EQ Mount, DIY Arduino+Stepper drives.
AP: 50mm guidescope, AR0130 based guidecam, Canon T3i, UHC filter.
EPs: ES82 18,11,6.7mm, Zhumell 30,9mm FJ Ortho 9mm, assorted plossls, Meade 2x S-F Barlow, DGM NPB filter.
Binos: Celestron Skymaster 15x70 (Albott tripod/monopod), Nikon Naturalist 7x35.
- bigfish
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Re: What could cause this?
I'll have to check but I don't think so.ARock wrote: ↑Fri Oct 23, 2020 4:02 am Does the hand controller display anything when the pause happens?
https://www.cloudynights.com/topic/5372 ... ed-resets/
- bigfish
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Re: What could cause this?
After several emails to Orion, support sent me a new
I think it's the new hand controller or motor control box they sent me when the original die. I have totally disassembled the mount, cleaned, painstakingly inspected the gears and greased it. The mount is working perfectly.
Has anyone ever seen this before? I've spent more time troubleshooting this problem than using the telescope.
Here is a video.
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