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Carrier 50XZ048300 Ignition Control Board
The ignition control board is a safety device that may control the natural gas, the ignition sequence and all the flame sensing devices. It has been a very important safety feature that, over the years, has merged to become a vital part of the main control board instead of having two separate boards.
Red flags the major ignition board will not live much longer
- The electrical signal from the home thermostat gets lost before it makes it to the main board
- Ignition cycle is unable to commence when it receives a proper signal
- Any other potential problem within the furnace is looked at and turns out to be all right
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