Equipment breaks down every day and lowers production OEE, to avoid or reduce (eliminate) breakdowns, analysis must be performed and countermeasures implemented.
Step 1. 5W+1H and Phenomenon Summary
Start your Breakdown analysis by answering six simple questions: 5 whys and 1 how
Use all answers from 5W+1H to construct description of the issue
The paddle isn’t turning and mix is not being dispensed from feeder in Line X feeder tank in downfeed during normal operation, it’s recurring (it has happened 3 times in 1 year) and was skill independent.
Step 2. Why-why analysis
Step 3. Major code
Step 4. Breakdown Reason
Immediate Actions Taken
Step 5. Countermeasures