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Common Problems and Troubleshooting Related to Autoclaves in TB Lab

 

Table: Common Problems and Troubleshooting Related to Autoclaves in TB Lab

SR NO

PROBLEM​

CAUSES​

SOLUTION​

1

Drain is clogged or ​exhaust taking more time than normal​

There may be clogging of drain valve dust

  • Clean the chamber
  • Drain the filter​

2

Scaling and salt deposition

  • Cleaning​ is not proper
  • There is moisture inside the instrument
  • Exposure to chemicals like acids & detergents​
  • Cleaning​ must be improved and proper
  • Check the sterilizer for efficient drying
  • Store autoclave in a dry area​
  • Do not expose instruments to chemicals like acids and detergents. If exposure occurs, rinse thoroughly after contact​
  • Use only distilled water in the boiler​

3

Liquid container caps blowing off​

The sterilizer is exhausting too rapidly​

Use slow exhaust cycle​ during autoclaving

4

When the door of the autoclave is open, the solution is still boiling

The door of an autoclave is opened too quickly

  • Do not open an autoclave door until the temperature gauge is below 85⁰C and the pressure gauge is at "0"
  • Do not touch or move a load, when the solution is boiling

5

Indicator of an autoclave shows sterilization not complete

  • Load in an autoclave chamber may be too large, too dense, or improperly loaded
  • The time provided for an autoclaving is not sufficient for the load​
  • Autoclave may be malfunctioning​
  • Don’t overload an autoclave with the material​
  • Load must be placed properly in an autoclave chamber
  • Increase the time​ given for autoclaving
  • Strips may need to be changed​

6

Steam leakage​

  • The gasket may be worn out ​
  • The door of an autoclave may be closed improperly
  • The gasket needs to be changed​
  • The door needs to be closed properly​

7

Chamber door won’t open​

  • There may be a vacuum in the chamber​
  • The door lock clutch of an autoclave may be jammed​
  • The gasket of an autoclave may be sticking to the door frame​
  • Follow manufacturer instructions​ properly during each cycle of autoclave
  • Contact service engineer​, if the problem persists

 

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