Hi everyone,

I'm working on repairing a Pilz PNOZ X4 safety relay module. When I opened it up, I found some of the connector pins detached from their pads. I replaced the connector with individual wires, but the issue remains.

The module is set to dual-channel mode with manual start. In this mode:[LIST][*]Y36-Y37 and Y1-Y2 are bridged.[*]24VDC is applied across A1-A2.[*]It monitors two emergency circuits (S11→S12 and S11→S52).[*]When both are closed (24V present on S12 and S52) and the start button is pressed (S33 connected to S34), the NO contacts (13-14, 23-24,...