Product Name:Engine ECU Controller
Applied Model: Volvo TAD1641GE,TAD941, TAD940, etc
.
Part Number: 21695319, 20814594
Condition: Aftermarket new and programmed
Delivery Time:3-7 days
Prepare Time:2~3 days
Service System:Online support
Packing:Standard packing for export
Shipping Method:DHL, FedEx, UPS, TNT, USPS EMS, etc.
Payment Methods:Credit Card, PayPal, etc.
Note 1:
Please check the model and vehicle nameplate before buying and recommending our machine, If you are not sure, please contact us for confirmation.

📦  Warranty&Reture Policy:

🛡️  1、One year warranty. If the product malfunctioned under proper usage per instructions manual within the warranty period, please contact us to obtain shipping instructions and send it back at your shipping costs.

🔍 2、14days evaluation and investigation takes placed after receiving your return item.

We can provide multiple options for some products (original brand new, refurbished, used, Equivalent substitutes, etc.). Please contact our Customer Service for more information.
Customer Service Manager WHATSAPP: +8615016276679（Click the button on the upper left corner of the website to contact）
Customer Service Manager Email: zengduff@marginalhyd.com

1. Pre-Installation Check: First and foremost, always ensure the excavator is powered off and the battery is disconnected. Verify that the controller’s part number matches your machine’s specific model to guarantee compatibility.
2. Secure Installation: Next, carefully connect the wiring harness, ensuring all pins are aligned properly to prevent short circuits. Securely mount the controller in its designated bracket to protect it from excessive vibration and moisture.
3. System Calibration: Afterward, power on the machine and enter the service mode to perform a system calibration. This step is essential for the EPOS (Electronic Power Optimization System) to accurately optimize engine speed and hydraulic flow.
4. Routine Maintenance: Finally, regularly inspect the electrical connectors for corrosion or loose contacts. If any abnormal error codes appear on the monitor, consult a professional technician immediately to maintain optimal performance.