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Mitsubishi PKA-A18HAL Ignition Control Board
The ignition control board is a safety device that may control the main gas intake valve, the ignition sequence and some other sensors. It is an important circuit board that, in most cases, has become a vital part of the main control board instead of its own individual board.
Hints your main ignition board is on its last leg
- Every other problem in the heating and cooling system is inspected and turns out to be okay
- Initial ignition sequence is unable to kick in at all
- The on-signal from the remote thermostat never reaches the main board
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