Trouble Shooting
164 © Festo Didactic GmbH & Co. • MPS
Please test the full process including all conditions. Find out which part of the
process is not working properly and proceed with the steps: error detection, error
limitation and error elimination. Please don´t forget to fill out the working-sheet of
the part Execution and Documentation. The original project shall be Project 2.18.
Information
Besides Commissioning and Programming, the Trouble Shooting and Maintenance is
one of the most important tasks in reality, because non-operating manufacturing
units are causing high costs.
It is much more important than in installation&commissioning or programming, to
train operational steps to detect, limitate and eliminate an error as quick as
possible.
At Trouble Shooting there is one difference between so called “Commissioning
Errors“ and “Maintenance Errors”. Both of them could be different in a way, there
are NO wrong wirings, tubings as well as programming errors within the
Maintenance Errors, because the system already has been running perfectly and and
an operational error had happened. Such operational errors could be:
• break of wire
• defect of elements like valves, cylinders, motors, sensors, etc. ...
• break of program
• mechanical reasons
Procedure of error elimination divides into three important fields:
• error detection
• error limitation
• error elimination
which have to be documented respectively by the trainee on the attached work
sheet. An example help with the further procedure.
Usually maintenance errors are easier to transform into manual training, therefore
this teachware is referring only on this field regarding the solutions of its exercises.
3.2 Process – Trouble
Shooting
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