My bed stopped heating. November 10, 2016 06:31PM |
Registered: 11 years ago Posts: 157 |
Re: My bed stopped heating. November 10, 2016 06:43PM |
Admin Registered: 13 years ago Posts: 7,008 |
Re: My bed stopped heating. November 10, 2016 08:01PM |
Registered: 11 years ago Posts: 157 |
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Dust
most thermistors reprap uses are normally 100k at 25c and decrease resistance with temperature increasing (ntc negative temperature coefficient)
Re: My bed stopped heating. November 10, 2016 11:08PM |
Admin Registered: 13 years ago Posts: 7,008 |
Re: My bed stopped heating. November 11, 2016 12:38PM |
Registered: 11 years ago Posts: 157 |
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Dust
Does the controller read room temperature on the bed when its not heating? if so its not thermistor related
If the thermistor is reading room temperature correctly
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Dust
Dead io pin (replaced controller board should have fixed that)
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Dust
Power wires not connected to heated bed plugs, broken wire somewhere?
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Dust
Blown bed fuse (you say you checked this)
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Dust
bad cables from heated bed plug to heated bed
Blown heated bed (just check continuity)
Basically stuff a multi meter into the heated bed socket, set the meter to dc voltage and turn on the heated bed (eg M140 S55)
are you seeing voltage?
Re: My bed stopped heating. November 12, 2016 06:46PM |
Registered: 8 years ago Posts: 40 |
Re: My bed stopped heating. November 13, 2016 11:06AM |
Registered: 11 years ago Posts: 157 |
Re: My bed stopped heating. November 14, 2016 08:20AM |
Registered: 11 years ago Posts: 157 |