Explain the coup of quick troubleshooting children's play facilities

I believe that children's play facilities or custom volcano themed playground should be clear that the normal operation of the equipment indicates a reliable income, and sometimes self-employed children's recreational facilities failure, in addition to call the manufacturer no other way, but Call to maintain maintenance, not as good as some of their daily maintenance of knowledge to the reality. The next  now introduced three strokes to exclude max indoor trampoline park facilities failure approach.
Voltage problem: a lot of equipment can not run even unstable, a big reason is the voltage problem, the load is too low caused by the low voltage. You can press the start button when you look at the voltmeter, if the voltage is lower than 180 volts, the motor can not start normally, can increase the number of square wires under the power line, it is recommended to use four square and above copper or six square above aluminum The
The voltage is normal or can not start: check the equipment of the carbon brush and conductive ring contact with the surface, whether there is dust or poor contact with the situation, if any, you can use a screwdriver in the start when you can press down.