Thermocouple failure
and repair

First posted
Wednesday January 23, 2013 12:08
Updated
Wednesday January 23, 2013 12:47

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Tuesday January 22, 2013 heat did not come on at about 05:20.

Pilot light out.

Pilot light relight attempt bad idea for reason a system failure could cause and explosion. ! ft3 = about 1,000 BTU.

Phoned





Juan phoned in the afternoon saying he could not come.

Juan recommended Gerald Garcia.

Gerald arrived and removed



Solid copper wire with thermocouple at far end.

Thermocouple audio.

Should pilot light be shut off during summer audio.

CO and gas leak audio.

How often to change filter audio.



$104 paid.

Furnace video Wednesday January 23, 2013.

Furnace is controlled by



purchased 11/15/2003 at Home Depot.

Ritetemp failed on 11/26/2004 by turning on furnace at unprogramed times.

RiteTemp employee Renee [male] instructed to wipe LCE with isopropyl alcohol, then only use the stylus to touch the screen.

5 year warranty, Renee reported.

If alcohol fix didn't work, then bring unit back to Home Depot, Renee instructed.

Alcohol fix worked!

The real world of microcontrollers.


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