what it looks like happened is this:
- positive is wired to the psu an the hb
- negative is wired to pin 85 and psu (adj+v)
- ground is wired to pin 87a and psu (-v)
- power cord is spliced into the ground, n, and l slots on the psu
- pin 87 is wired to the heat bed terminal on the board
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owen 19
Hi
Referring to the relay diagram in the link you provided
You should have the positive from your HB power supply going to pin 30
You should have pin 87 going to your Heated bed and the other side of your heated bed going to the ground of your HB power supply
Can you check that?
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