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EFX48-xx Series with RM3-340/440 Installation and Operation Guide

viii

IPN March 2019

Maintenance ......................................................................................................................................... 119

Overview ................................................................................................................................................ 119

Troubleshooting .................................................................................................................................... 120

System Problems ............................................................................................................................................. 120

System EFX48 Problems (RM3-410/420 Models only) ............................................................................... 124

Replacing or Adding a Rectifier .......................................................................................................... 127

Replacing the EFX48 ............................................................................................................................. 129

Battery Mid-point Monitoring (String Fail) Alarm ........................................................................... 130

Cybersecurity ......................................................................................................................................... 132

Overview ................................................................................................................................................ 132

Specifications ......................................................................................................................................... 138

Connector Pin-outs ..................................................................................................................................... 151

EFX48 System Controller Connector Pin-outs .................................................................................. 151

Equipment and Tools ................................................................................................................................. 153

Safety Equipment ............................................................................................................................................ 153

Essential Tools ................................................................................................................................................. 153

Recommended Tools ...................................................................................................................................... 153

Spare Parts ............................................................................................................................................. 154

Purchasing Information ................................................................................................................................. 154

Circuit Diagrams ......................................................................................................................................... 155

Menu Map ......................................................................................................................................... 156

Equipment Incident Report ...................................................................................................................... 159

Worldwide Support .................................................................................................................................... 161

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