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Converting MK2.5 to MK3 Clone bed heating issue  

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ferdaze
(@ferdaze)
New Member
Converting MK2.5 to MK3 Clone bed heating issue

Trying to convert my MK2.5 to a MK3 clone. I replaced the RAMBO with an Einsy. I have a replaced the PSU with a dual 12v/24v and replaced the hotend cartage with a 24v. The 24v is the main power for the Einsy and 12v for the bed. I tried installing 3.1.3 MK3 firmware and the bed heating acts like its reversed. If it should not be heating the power is on and if it should be heating the power is off. When setting is at 0/off the bed heats if it set to a temp the bed power turns off as long as the actual temp is below the set temp. Everything else seems to work correctly. If i unplug the bed thermistor the bed heating power light goes off immediately. Not sure if that is because of the min temp error or something else.

If I install the latest Marlin 1.1.8 daily bug fix a have no problems hot end or heat bed and can print well with it.

Postato : 07/05/2018 1:57 am
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