OEE & Factory Performance worked example
Andon Response Time with total response time of 90 min: a worked example
Here is what the math looks like when conditions slip. We hold every other input steady and drop total response time to 90 min, then walk the calculation through step by step. Calculate average andon response time for OEE & Factory Performance from total response time and the number of calls.
The inputs for this scenario
- Total response time: 90 min (the input this scenario stresses; the baseline uses 180)
- Number of andon calls: 24 calls (held at the documented default)
Working through the calculation
- The calculation starts from the formula this tool documents: Average andon response time = total response time ÷ number of calls.
- Avg response time works out to 3.75 min at these inputs, and this is the headline figure for the scenario.
- Total response time works out to 90 min at these inputs.
- Andon calls works out to 24 calls at these inputs.
- Calls per hour basis works out to 16 calls / hr at these inputs.
How this compares with the baseline
- Against the tool's baseline example, where total response time sits at 180 min and the headline result is 7.5 min, this scenario comes in 50% below the baseline at 3.75 min.
- The practical read: the gap between this scenario and the baseline is entirely attributable to total response time, so recovering it is worth quantifying in dollars before considering equipment or staffing changes. An average hides outliers — a few very slow responses can be masked by many fast ones, so review the distribution and worst cases alongside this mean.
Results at a glance
- Avg response time: 3.75 min (headline result)
- Total response time: 90 min
- Andon calls: 24 calls
- Calls per hour basis: 16 calls / hr
Run it with your numbers
- To rerun this with your own numbers, open the live Andon Response Time calculator, set total response time to your actual value, and adjust the remaining inputs to match your operation.
Last reviewed 2026-05-12.