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Alright, I'm stuck. (Full disclosure: I'm barely a mechanic, let alone an burner specialist. I just happened to read the manual for our oven and inherited this equipment when our maintenance man retired)
Here's the issue. We have a honeywell RM7800 relay hooked up to a gas burner that heats kiln ovens. We recently expanded the plant and moved the unit and ever since the move, the relay will randomly enter standby mode mid-cycle every now and then (it works fine 80% of the time, but seems to glitch a couple times a week). No error code, no alarm, just switches itself from run to standby and has to be reset to recycle. I had a contractor in and he couldn't figure it out. Hoping someone else out there has experienced this before or has some tips on what to check.