Error Code - 178 (v3.18xx) or 3x6D (v3.19xx)

Thomas Garcia

Modified on: Fri, 14 Dec, 2018 at 8:18 AM

CPU v3.18xx and below - Error Code - 178

CPU v3.19xx and above - Error Code -3x6D

Error Message: Internal RGM Error

Solutions:

Check -
1. The wiring of the meter CTs
2. Connections to the inverter communication board.