7000
I/O COMM ERR
Allen-Bradley · ABB ACS800 Standard Firmware
What does 7000 mean?
A communication error has occurred on the control board, specifically on channel CH1. This issue is often caused by electromagnetic interference. The fault is indicated by bit 6 of Fault Word 2 (3.06 FW 2).
Additional Steps
Steps 1–2 are listed in Priority Fix.
- 3
Verify proper earthing connections for the entire equipment setup.
- 4
Identify and relocate any highly emissive components or devices situated nearby the drive that could cause interference.
Source: ABB ACS800 Standard Firmware
Open Manual (Page 244)