Dinex OneBox Troubleshooting Guide Congratulations on your OneBox! This product is designed and produced to match OE performace and standards. If for any reason your OneBox is not functioning as well as expected, this guide is designed to assist you in resolving common issues that may arise while using a Dinex OneBox. Initial Steps: • Start by identifying any trouble codes, prioritizing those related to the engine based on the vehicle manufacturer’s recommendations. Assessing OneBox Failure: Before replacing a OneBox, determine the root cause of the failure: • Refer to the vehicle manufacturer’s upstream failure guide to identify the primary issue. • Review the repair history and maintenance records from the past 12 months. A prior engine issue could compromise the OneBox’s NO X conversion efficiency. Software & Maintenance Checks: • Evaluate the duty cycle. If it’s low, ensure the ACM (Aftertreatment Control Module) is updated with the latest software. • Confirm that the diesel particulate filters (DPFs) have been serviced according to the recommended schedule. Page 1 of 2 DinexEmission.com
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