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Fault display
Fault 9
AFI residual cur-
rent
Fault 10
Insulation error
Fault 11
DC feed
Fault 12
Isolated opera-
tion
Causes
The AFI error is displayed if
a residual current has occur-
red in the PV system and
the solar inverter has subse-
quently disconnected from
the grid.
The solar inverter has de-
tected an insulation error
in the PV system during
startup.
The solar inverter has
detected a DC component
> 1 A in the grid current.
Dropout of monitored
phase L2 or L3.
Phase difference between
individual grid conductors
outside the permitted limit
values.
Remedies
Check the format of your grid connection
(energy counter) and the grid feed-in
point to your electricity board.
Check your PV system for possible
insulation errors.
Restart the solar inverter. If the error
still occurs, please contact the technical
hotline. You will find the telephone
number on the back of the manual.
Check phases L2 and L3.
Ask your electricity board about grid
stability and design.
146
Содержание NT 2600
Страница 2: ...SOLAR INVERTERS User Manual for Sunways Solar Inverters NT 6000 NT 5000 NT 4000 and NT 2600...
Страница 6: ...1 0 General information 92...
Страница 13: ...200 2 0 Information on installation 99...
Страница 38: ...3 0 Information on operation 124...
Страница 66: ...4 0 Appendix 152...
Страница 85: ...200...