Reply to "FAILED - MTH PS2 3v Steam Boiler Board - replaceable?"

I would agree with George.  You mentioned smoke fluid outside the smoke unit itself.  You possibly have  a PV or P5V issue around or at the smoke unit.  Can you disconnect the PV wire going to the smoke unit and the P5V going to the smoke unit fan without disturbing the other PV and P5V connections?  Check your service manual 4-45 for the MUX wiring diagram.  Try it.

Bruce

OGR Publishing, Inc., 1310 Eastside Centre Ct, Suite 6, Mountain Home, AR 72653
330-757-3020

www.ogaugerr.com
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