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Heating up the bed causes Ultimaker 2 to restart

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Posted · Heating up the bed causes Ultimaker 2 to restart

My UM2 is about 4 years old but I use it only moderately. Since yesterday it restarts each time I try to heat up the bed, half a second before that the lights flicker or get dimmed for a moment.

 

I found some threats about this, but is there really not way to test if its the bed itself, the power supply, the pvc? Does anybody have an idea how to track this or already found a solution? I tried to re solder the beds connections and leave a little gap between plastic connector and bead but no success so far..

 

 

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Posted · Heating up the bed causes Ultimaker 2 to restart

measured the bed as well its 3,5 Ohm, which is what it should be, does mean the bed is definitely not the problem?

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Posted · Heating up the bed causes Ultimaker 2 to restart

I think a defective power supply, or one that is deteriorating, might also cause this? If it would cause a drop in voltage?

 

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Posted · Heating up the bed causes Ultimaker 2 to restart

Thank you Geert,

 

do you know by chance if the UM2 and UM2+ have the same power brick?

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Posted · Heating up the bed causes Ultimaker 2 to restart
10 minutes ago, swarming said:

Thank you Geert,

 

do you know by chance if the UM2 and UM2+ have the same power brick?

 

I have no idea, so I will leave that question to the Ultimaker people and distributors.

 

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Posted · Heating up the bed causes Ultimaker 2 to restart

I suspect that all devices of the Ultimaker 2 family were supplied with a power supply of the same power:

100-240V 4A, 50-60Hz, output 24V DC, 9.2A 221W max.

Also the plug to the MainBoard should be the same for all devices.

The only exception is the small UM2 GO, because it works without a heating bed.

I only have the Ultimaker 2. The information I took from the official specifications of the Ultimaker 2 / Ultimaker 2+.

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Posted (edited) · Heating up the bed causes Ultimaker 2 to restart

Exceeding the power brick a tiny bit can cause the power brick to drop out and start again, making the machine restart. It’s a safety mechanism that better power supplies have. As long as there’s no shorts or faults in the machine, then the brick might be the problem.

 

2 and 2+ seem to use the same power brick.

Edited by JRDM

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