1. The first action condition of MFT instructions, alarms and memories;
2. The coal feeder is switched off.
3. OFT acts, oil gun under the bed is switched off.
4. The limestone feed valve is closed.
5. The rotary discharge valve  of slag cooler is switched off.
6. All air volume control is changed to manually operating mode, and is maintained at the final position.
7. Unless the fan is switched off, otherwise all fan control will be changed to manual mode, and be kept the final location, in the case of the fan itself switching off, the fan will follow its principle of the logic control.
8. If there is no "hot startup condition," , then the logic of "boiler purging" is given.9. Close the electric valve and discharge valve of the attemperation water of reheater and superheater, (delay 2 s).(lsh)