Troubleshooting; Frequent Problems Occurring At Commissioning Stage; Error Codes Meaning - ABB PQFA Instruction Manual

11.2. Troubleshooting

11.2.1.

Frequent problems occurring at commissioning stage

Problems occurring at commissioning stage are mainly due to wrong CT
connection or CT bridges not removed. Check carefully those connections in
accordance with the commissioning procedure.
FAULT
No filtering nor reactive
power compensation
No dynamic reactive
power compensation
11.2.2. Error codes and messages
After a filter trip, an error message is displayed on the PQF-Manager. At the
same time, the corresponding error code is stored in the filter controller' s
permanent memory. The error codes can be accessed by PQF-Prog users
that have the appropriate password such as ABB service personnel. Below is
explained how the error messages can be accessed with the PQF-Manager.
If your filter is not fitted with this option, contact your ABB service provider for
further support.
In order to access the error code in the PQF-Manager, press MENU to access
the " Main menu" window.
Select level 1 by using once the ? key.
Then press OK.
Possible causes
All CT' s
-
correct phases but
some are reversed
Wrong
-
rotation
CT bridges
-
removed
All CT' s are in correct
phases but
reversed
MAIN MENU
? Level 1?
Level 2
Level 3
Asea Brown Boveri Jumet S.A.
PQFA Instructions Manual
Solutions
are in Check carefully CT
-
wiring
Remove CT bridges
-
phase on CT
and PQFA terminal
not input
- Modify CT
all are connection
accordingly, or
- Reversed CT' s may
be corrected
software: a negative
CT ratio has to be
specified.
secondary
by
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