ABB PQFS - Page 188

188 Troubleshooting guide  Manual Power Quality Filter PQFS
disabled by disabling the corresponding digital input functionality. Then, the fault can
be acknowledged locally.
Figure 88 shows the error treatment procedure in flowchart format.
Green LED is LED2 on the main controller board and is ‘Armed’-indicator on PQF-Manager Red LED is LED3 on the main controller board