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Autoclave Emergency Management Measures

Power Cut During The Operation Of Autoclave

If the autoclave power failure during the operation, the following operation should be conducted:
1.Tell the manager, and inform the operator do not go to the front and back side of the autoclave, and do not enter the access door, to avoid the accident.
2.Call the operator on duty who manage the compressed air, to ensure that the compressed air supplied to the autoclave first.
3.Tell workers not to get access to the autoclave.
4.Monitor and record the power failure, and the temperature and power during power off. The pressure decrease could be controlled by steam inlet valve manually, but the pressure cannot be higher than then pressure when power failure.
After the power failure, the UPS will have the alarm uninterruptibly. It is the normal working noise during the UPS power supply. At this time, the screen, main body, PLC, DC24V power, solenoid valve, power switch are all supplied by UPS power source. And all the operations of the autoclave, including door switch, door seal, and all the other pneumatic valves could be controlled manually, but the following situations should be handled properly:
Caution: During the operation of the autoclave, the main body, PLC, and UPS should not be shut off:
1.Power off during heating phase and the temperature is lower than 80 ℃, if the power could be recovered in 5-10 minutes, the autoclave could be restarted by operating “ power off recovery” function to continue the operation. If the power cannot be recovered by a long time, the sterilization process should be stopped and open the air discharge valve to decrease the chamber pressure to 0 manually, and then open the autoclave door.
2.Power off during heating phase and the temperature is higher than 80 ℃, if the power could be recovered in 5-10 minutes, the autoclave could be restarted by operating “ power off recovery” function to continue the operation. If the power cannot be recovered by a long time, after the power is recovered, enter the cooling phase manually, and after the cycle is finished, restart the sterilization process. The door cannot be opened before the pressure is decreased.
3.Power off when the temperature has reached the set sterilization temperature, enter the cooling phase after the power is recovered, and restart the cycle.
4.Power off during the cooling phase and the chamber pressure is lower than 80 ℃, if the power could be recovered in 5-10 minutes, the autoclave could be restarted by operating “ power off recovery” function to continue the operation. If the power cannot be recovered by a long time, the sterilization process should be stopped and open the air discharge valve to decrease the chamber pressure to 0 manually, and then open the autoclave door.
5. Power off during the cooling phase and the chamber pressure is higher than 80 ℃, wait for the power recovered and restart the autoclave by operating “ power off recovery” function.

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