In Fallow Creek, Pennsylvania, Gordon Pike, 61, died in the basement mechanical room of the old county school after entering the building alone to investigate a warning light that had been blinking since October.

Mr. Pike was the facilities supervisor for the Fallow Creek School District, a position that included, in his own words, “everything a teacher thinks happened by magic.” Boilers. Roof leaks. Door closers. Clock systems. Locker hinges. Gym floors. Thermostats protected by plastic cages because adults could not be trusted with comfort. He carried keys on a steel ring attached to his belt by a chain so heavy students could hear him before they saw him.

The old county school closed in 2009 and reopened in pieces.

The first floor became district storage. The gym was used for youth basketball, voting, and once, disastrously, a craft fair involving live rabbits. The second floor was off-limits. The basement held what Gordon called “the old lungs”: furnace equipment, ductwork, pipes, electrical panels, valves tagged by men who had retired, died, or moved to Arizona and become impossible to consult.

Above the main panel was a small amber light marked AUXILIARY FAULT.

It began blinking on October 3.

Gordon wrote it down.

On October 7, he reported it to the district office.

On October 12, he put in a request for an outside contractor.

On October 19, the contractor came, looked at the panel, and said the system was obsolete. This was both true and not helpful. Gordon wrote AUX LIGHT STILL BLINKING on a yellow pad and underlined STILL twice.

By November, the blinking had become part of the basement.

Gordon saw it when he came in. The basketball coach saw it when he needed folding chairs. The election judges saw it while setting up voting booths and asked whether it was supposed to do that. Gordon said, “No,” then added, “But it does,” which is the kind of answer people accept from buildings.

He put a piece of blue tape beside the light and wrote CHECKED.

This was meant to reassure other people.

It did not reassure Gordon.

Gordon had a wife, Nessa, who taught third grade in another district and could identify from the doorway whether a child was going to vomit. He had two grown sons, a fishing boat with no motor, and a dog named Principal who did not come when called. He sang bass in the Methodist choir, though he could not read music and followed Mrs. Unruh’s eyebrows for direction.

Former students remembered him for opening milk cartons for kindergartners and for telling high school boys that if they were going to punch lockers they should use the flat of the hand, not the knuckles, because “anger is temporary and x-rays cost money.”

At 6:35 p.m. this evening, after a youth basketball practice, Gordon noticed that the amber light was no longer blinking.

It was steady.

People who do not work with old systems may not understand why a steady light is sometimes worse than a blinking one. A blink can mean complaint. A steady light can mean conclusion.

Gordon told Coach Danner to lock the gym and go home.

He went downstairs.

The old basement was warm near the boilers and cold near the coal room, as if the building had never settled on a season. Pipes crossed overhead in black lines. The air smelled of dust, metal, damp paper, and the particular heat of machines that have been forgiven too long.

Gordon reached the panel at 6:42.

His last text to Nessa read:

AUX STOPPED BLINKING. CHECKING THEN HOME. DO NOT WAIT SUPPER.

Nessa did wait supper, because that is what people do while telling themselves they are not waiting.

At 7:18, a pressure valve failed in the old heat exchanger connected to the unused north wing. Steam filled the mechanical room. Gordon was found near the shutoff wheel with burns to both hands. Investigators believe he was attempting to close the line manually.

He had placed his keys on the floor before reaching for the wheel.

This detail has no official significance.

It tells us only that Gordon Pike knew enough not to let the key ring catch in the machinery.

It tells us he was careful until there was no careful way left to be.

Gordon Pike is survived by Nessa; his sons, Leo and Mark; his sister, Darlene; the choir at Fallow Creek Methodist; Principal the dog; and by a yellow legal pad found on his desk with three items written for tomorrow:

Order ice melt.

Call roof guy again.

Figure aux light.