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Mine is \'hummimg now...Is there a fix or is it a bin job? Loose
laminations in the motor perhaps ?
Mine is \'hummimg now...Is there a fix or is it a bin job? Loose
laminations in the motor perhaps ?
Mine is \'hummimg now...Is there a fix or is it a bin job? Loose
laminations in the motor perhaps ?
--
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On Tue, 8 Dec 2020 16:18:59 +0000, TTman <kraken.sankey@gmail.com
wrote:
Mine is \'hummimg now...Is there a fix or is it a bin job? Loose
laminations in the motor perhaps ?
Check the rubber vibration isolation joint(s).
If there are none, it would likely have been humming from day one.
RL
Rubber mounts are good to the ceiling...
On Tue, 8 Dec 2020 16:18:59 +0000, TTman <kraken.sankey@gmail.com
wrote:
Mine is \'hummimg now...Is there a fix or is it a bin job? Loose
laminations in the motor perhaps ?
Check the rubber vibration isolation joint(s).
If there are none, it would likely have been humming from day one.
RL
Rubber mounts are good to the ceiling...
Check it in what way ? would it cause a \'beat frequency\' of ~5Hz ? ( UKOn Tuesday, December 8, 2020 at 11:19:08 AM UTC-5, TTman wrote:
Mine is \'hummimg now...Is there a fix or is it a bin job? Loose
laminations in the motor perhaps ?
--
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Check the capacitor.
Check it in what way ? would it cause a \'beat frequency\' of ~5Hz ? ( UKOn Tuesday, December 8, 2020 at 11:19:08 AM UTC-5, TTman wrote:
Mine is \'hummimg now...Is there a fix or is it a bin job? Loose
laminations in the motor perhaps ?
--
This email has been checked for viruses by Avast antivirus software.
https://www.avast.com/antivirus
Check the capacitor.
Mine is \'hummimg now...Is there a fix or is it a bin job? Loose
laminations in the motor perhaps ?
On 08/12/2020 17:07, Fred Bloggs wrote:
On Tuesday, December 8, 2020 at 11:19:08 AM UTC-5, TTman wrote:
Mine is \'hummimg now...Is there a fix or is it a bin job? Loose
laminations in the motor perhaps ?
--
This email has been checked for viruses by Avast antivirus software.
https://www.avast.com/antivirus
Check the capacitor.
Check it in what way ?
On 2020-12-08, TTman <kraken.sankey@gmail.com> wrote:
Mine is \'hummimg now...Is there a fix or is it a bin job? Loose
laminations in the motor perhaps ?
If it\'s not spinning it could be a bad capacitor on the motor
especially if it responds to a push start.
Could be the bearings need a lube
It all works fine, apart from the fact that it \'hums\'....
On 09/12/2020 06:26, Jasen Betts wrote:
On 2020-12-08, TTman <kraken...@gmail.com> wrote:
Mine is \'hummimg now...Is there a fix or is it a bin job? Loose
laminations in the motor perhaps ?
If it\'s not spinning it could be a bad capacitor on the motor
especially if it responds to a push start.
Could be the bearings need a lube
It all works fine, apart from the fact that it \'hums\'....
--
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On 08/12/2020 16:34, legg wrote:
On Tue, 8 Dec 2020 16:18:59 +0000, TTman <kraken.sankey@gmail.com
wrote:
Mine is \'hummimg now...Is there a fix or is it a bin job? Loose
laminations in the motor perhaps ?
Check the rubber vibration isolation joint(s).
If there are none, it would likely have been humming from day one.
RL
Rubber mounts are good to the ceiling...
No- your original description made it sound like it was stalled. Now it sounds like it\'s not coming up to speed. Unless you have a motor repair shop, give it to a metals recycler.On 08/12/2020 17:07, Fred Bloggs wrote:
On Tuesday, December 8, 2020 at 11:19:08 AM UTC-5, TTman wrote:
Mine is \'hummimg now...Is there a fix or is it a bin job? Loose
laminations in the motor perhaps ?
--
This email has been checked for viruses by Avast antivirus software.
https://www.avast.com/antivirus
Check the capacitor.
Check it in what way ? would it cause a \'beat frequency\' of ~5Hz ? ( UK
is 50Hz)
Yes, it could. If the cap has lost some of its value, it will give theOn 08/12/2020 17:07, Fred Bloggs wrote:
On Tuesday, December 8, 2020 at 11:19:08 AM UTC-5, TTman wrote:
Mine is \'hummimg now...Is there a fix or is it a bin job? Loose
laminations in the motor perhaps ?
--
This email has been checked for viruses by Avast antivirus software.
https://www.avast.com/antivirus
Check the capacitor.
Check it in what way ? would it cause a \'beat frequency\' of ~5Hz ? ( UK
is 50Hz)
Mine is \'hummimg now...Is there a fix or is it a bin job? Loose
laminations in the motor perhaps ?
Thanks, that makes sense to me with my limited AC theory of nearly 50TTman wrote:
On 08/12/2020 17:07, Fred Bloggs wrote:
On Tuesday, December 8, 2020 at 11:19:08 AM UTC-5, TTman wrote:
Mine is \'hummimg now...Is there a fix or is it a bin job? Loose
laminations in the motor perhaps ?
--
This email has been checked for viruses by Avast antivirus software.
https://www.avast.com/antivirus
Check the capacitor.
Check it in what way ? would it cause a \'beat frequency\' of ~5Hz ? ( UK
is 50Hz)
Yes, it could. If the cap has lost some of its value, it will give the
wrong phase shift, and the motor would vibrate at twice mains frequency. As
the rotor slips, the shorting bars in the squirrel cage occasionally line up
with the stator poles and give different current and torque. So, the slow
throbbing humm you hear is the slip of the rotor.
Jon
Yes, three speeds, with reverse facility...Low speed it\'s quiet. MedOn Tuesday, December 8, 2020 at 8:19:08 AM UTC-8, TTman wrote:
Mine is \'hummimg now...Is there a fix or is it a bin job? Loose
laminations in the motor perhaps ?
Is the fan a variable-speed model? Motors differ in their characteristics,
and a ceiling-fan motor is often an oddball low-torque type.
TTman wrote:
On 08/12/2020 17:07, Fred Bloggs wrote:
On Tuesday, December 8, 2020 at 11:19:08 AM UTC-5, TTman wrote:
Mine is \'hummimg now...Is there a fix or is it a bin job? Loose
laminations in the motor perhaps ?
--
This email has been checked for viruses by Avast antivirus software.
https://www.avast.com/antivirus
Check the capacitor.
Check it in what way ? would it cause a \'beat frequency\' of ~5Hz ? ( UK
is 50Hz)
Yes, it could. If the cap has lost some of its value, it will give the
wrong phase shift, and the motor would vibrate at twice mains frequency. As
the rotor slips, the shorting bars in the squirrel cage occasionally line up
with the stator poles and give different current and torque. So, the slow
throbbing humm you hear is the slip of the rotor.
Jon
On 09/12/2020 21:36, whit3rd wrote:
On Tuesday, December 8, 2020 at 8:19:08 AM UTC-8, TTman wrote:
Mine is \'hummimg now...Is there a fix or is it a bin job?
Is the fan a variable-speed model? Motors differ in their characteristics,
and a ceiling-fan motor is often an oddball low-torque type.
Yes, three speeds, with reverse facility...Low speed it\'s quiet. Med
speed it\'s irritating. High speed , forget it....