function is as follows state 1 box 70 is entered when power up occurs when hardware is reset when there is an internal error recovery i e checking system values such as lock out timing and an error is discovered or when there is a reset from a lockout state in state 1 the ram is zeroed and a short delay e g 2 seconds is initiated for system stabilization various safety checks are performed such as cad cell calibration the eeprom values are read to verify that various parameters are within accepted standards and delay times are checked from the dip switches if the previous state was either lockout state 9 or recycle state 8 to be described the system will go to that state otherwise the system goes to idle state 2 box 74 where it will await a call for heat in state 2 the burner motor 20 the oil valve 52 and the alarm 60 are off and the system is now waiting for the next call for heat the igniter is enabled i e ready to be energized in case the blower motor 20 is stuck in an unsafe condition the flame is monitored and the indicator light 58 will be on if there is a flame otherwise indicator light 58 is off a check is made of the thermostat to see if it is calling for heat and if so the cad cell 28 is calibrated and another short.