Issue: The inverter screen is blank or doesn't show any readings. Step 3: Look for loose cable connections and secure them. Is your solar inverter giving you a tough time? The quick remedy might be simpler than you think: Knowledge, prompt action, and a bit of troubleshooting can resolve the most common inverter issues. Since 2013, GreenLancer has supported over 200,000 clean energy projects with design and engineering expertise. How to maintain the inverter (prevention is better than repair) Ⅶ. How to maximize the service life of the inverter? IX. FAQ Frequently Asked Questions 1. Many problems can be easily diagnosed and fixed. Error Code E000 Description: Internal Communication Fault 1 LCD Display: E000.