Victron Energy MPPT Solar Charger: Pre-RMA Bench Test Instructions

Introduction

This document provides comprehensive instructions for conducting pre-RMA (Return Merchandise Authorization) bench tests on Victron Energy MPPT solar chargers. It guides users through a series of systematic checks to diagnose potential issues before returning a unit.

Key Testing Areas

The testing procedure covers several critical aspects of the solar charger's functionality:

• General Information: Recording product details, serial numbers, and fault information.
• Initial Checks: Assessing the physical condition of the unit, including housing and connectors.
• PV Short Relay Check: Verifying the functionality of the PV short relay.
• FET and Power Up Check: Testing the Field-Effect Transistors (FETs) and the initial power-up sequence.
• Bluetooth Connectivity: Ensuring proper Bluetooth operation and connection via the VictronConnect app.
• Firmware and Settings: Updating firmware and resetting unit settings to default.
• Functionality Tests: Evaluating the solar charger's performance under various conditions, including battery charging and current output.
• Remarks and RMA Lodgement: Documenting any additional issues and providing information for RMA processing.

Purpose of Testing

These tests are designed to accurately identify the cause of a malfunction, differentiate between hardware failures and configuration issues, and ensure that only genuinely faulty units are returned for warranty or repair. Following these steps helps streamline the RMA process and ensures efficient resolution of product issues.

For further assistance or detailed product information, please refer to the official Victron Energy website: www.victronenergy.com