1. Prepare: Ensure the excavator is turned off and safely secured. Disconnect the battery to avoid electrical accidents.
2. Inspect: Check the ECU for physical damage or loose connections.
3. Connect Diagnostic Tool: Use a diagnostic tool recommended by the excavator's manufacturer.
4. Read Codes: Use the diagnostic tool to read any error codes (DTCs) stored in the ECU.
5. Check Live Data: View live data parameters such as sensor readings and system voltages.
6. Functional Tests: Perform tests to activate components or simulate sensor inputs.
7. Reset (if needed): Reset the ECU if recommended by the manufacturer.
8. Document: Keep a record of all tests, codes, and results for future reference.
9. Consultation: If issues persist, consult with the manufacturer's technical support.

GUANGZHOU JIAJUE MACHINERY EQUIPMENT CO..LTD

Guangzhou Jiajue is a company engaged in manufacturing, developing and selling excavators parts, with years of exploitation and innovation, we have the capacity for distributing thousands of excavator parts, including: undercarriages parts, rubber parts, engine parts, oil seals, general consumable parts, iron parts, and hydraulic breaker etc, in hundreds of senes with full products range and quality guarantee.

We stick our principle of developing the quality and providing satisfactory service superior to the products, we always believe that products with good quality can help to built up good images, and with good service, valued customers will always stand by us. We sincerely hope to cooperate with you and build the stronger business relationship with each other.