① Check whether the wires and pipelines are overheated or damaged.
② Wipe off the oil and dust on the electrical appliances and wires.
③ Tighten the screws at the connection to ensure good contact.
④ Replace damaged electrical appliances and wires if necessary.
⑤ Check whether the machine is positioned accurately. If there is any error, please correct it.
⑥ Check whether the fuse, switch power supply, relay, contactor, clutch, etc. are intact.
⑦ Measure the insulation resistance of each electrical equipment and line, check the grounding wire, and ensure good contact.
⑧ Check whether the electrical box door is intact and repair it if necessary.
⑨ Perform a leakage test on the leakage main switch to check whether it is intact.
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