(a short true story) the house was cold, we were told inside a box a motor ran not too hot inside this same box a bigger motor ran too hot inside this same box a smaller motor ran too cold a call to Bare Your Problems Inc. was made 3 hours later Hark! the doorbell rang 3 times Churak opened the door in a flash the door beared 3 bare young sweet ladies one had hair so fair one had hair down to there one had golden locks to make all men care now Churak ran too hot, as he stood there like that stick finding water and pointing downward, Churak started to point upward with a count of 3 - intermission - (curtain falls) (later) curtain raises for the box with motor that ran not too hot the hair so fair said it was cool, just right for the box with smaller motor that ran too cold the hair down to there removed the ventilation fan and the motor ran cool, just right for the box with big motor that ran too hot golden locks took fan that hair down to there removed and place the fan into box too hot and then and then the box too hot got extra too hot, aka very too hot Hark! the doorbell rang entered: Sir (not golden lock) Homes and Dr. Want Some Turns out that extra fan only fitted inside the box too hot in only one area, and by chance it directed its air flow directly onto the thermostat, cause a false and lower read of the box's internal temperature. The control panel determined the ideal running temperature was too cold so it cut power to the original fan. With the second fan hooked up in series with the first fan, both stopped. The thermostat quickly became hot and started up the fan, but also started was the added fan that quickly cooled down the thermostat by blowing outside air onto it rather than allow the air heated from the motor to circulate onto it. aka, - more help was less helpful and, "The doors on the cabinet are wide open because we've got so many high-BTU machines in there and I just don't trust the cabinet's own ventilation system." imagine, By opening the cabinet doors, the engineered air flow inside the cabinet was violated or interrupted etc causing a designed air flow to be redirected, and eventhought the fans never turned off, they were not as effective as when cabinet doors were closed, as that was the model the engineers assumed during operation. so, or but, Some places I know of did that open the doors, but they also placed a high velocity external fan directly pointed into the opened cabinet door, and a few actually have like a long sewer plastic hose about 2 feet in diameter snaked out of the room into a cooler or cold room to have that air be sucked in by the external fan that then blows it into the cabinet. also, Electronic circuits overheating can be like code running in memory where bits are corrupted, causing abrupt conditions that can not be handled as errors since the error handler did not include the delivered situation report as a possible, so the error handler "Panics" and does a "full stop" and if this happens before an overheated error is reported, then the too hotted heat will not be logged as the cause. guess, This could be just a slow overheating that doesn't reach the hight temperature to report a problem, but running the machine at just under a "too hot" situation over time causing eventually a critical bit to flip flop or circuit to oops. if so, Then a cooling off period would cool off the circuit, or the reloading into memory load unerrored bits.
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