York Diamond 80 P2MP Rollout Sensors - HVAC - DIY Chatroom Home Improvement Forum

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Old 11-20-2010, 09:07 PM   #1
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York Diamond 80 P2MP rollout sensors

Hello all, I am having a problem with my York furnace and was wondering if someone could help. Here is what happens:

- Call for heat
- Blower and inducer motors turn on
- Diagnostic LED flashes 5 times (Rollout Open)
- Blower and inducer motors stay on
- Nothing else happens

I checked all 5 rollout switches for continuity and they all test fine. I looked at the wiring diagram in my manual and tested the 12 pin plug on the control board. I have continuity from pin 5 to pin 11, which I believe is the path of all the rollout switches. Do I have to leave the unit unplugged for a certain amount of time to reset the errors?

Anything left to check before I pull out the control board and troubleshoot it? Thank you for your time.



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