Model tud080c936h1 flame sensor is new. Replaced about 3 weeks ago. Will check for milliamps.
5 blinks
Have trane xe 80. Showing 5 blinks. Flame sensed gas valve off. Replaced sensing rod and limit switch. Problem still exists. It is intermittent problem. Could it be control board or something else?
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4 ohms resistance. 2.9 ua. No excessive resistance on ground wire harness from controller to housing ground. Terminal ends look clean and tight. I believe problem is in controller.amperage on flame sensor also zeros after flame goes out.just wanted opinion from some one with more experience in HVAC field before replacing.
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Have left power off sometimes overnight. When started sometimes will operate normal most of day. Sometimes a couple cycles then back to code. (Flame sensed gas valve closed)solenoid does close and gas does shut off. Thanks for info
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