4 category gen, 5 category grd, 6 category rly – SMA SI 4548-US User Manual
Page 213: 7 category sys
SMA America, LLC
20 Troubleshooting
Operating Manual
SI4548-6048-US-BE-en-20
213
20.8.4 Category GEN
20.8.5 Category GRD
20.8.6 Category RLY
20.8.7 Category SYS
Display no.
Level
Description
W401
1
Reverse power protection (generator)
W402
1
Generator management switches into the locked error status
(Fail-Lock)
Display no.
Level
Description
W501
1
Grid reverse current prevented (quick grid disconnection)
W502
1
Grid reverse current prevented (quick grid disconnection) slave 1
W503
1
Grid reverse current prevented (quick grid disconnection) slave 2
W504
1
Grid reverse current prevented (quick grid disconnection) slave 3
W505
1
Feed-in current is greater than the nominal grid current (parameter
"#232.03 GdCurNom")
W506
1
Feed-in current is greater than the nominal grid current (parameter
"#232.03 GdCurNom") on slave 1
W507
1
Feed-in current is greater than the nominal grid current (parameter
"#232.03 GdCurNom") on slave 2
W508
1
Feed-in current is greater than the nominal grid current (parameter
"#232.03 GdCurNom") on slave 3
Display no.
Level
Description
F605
4
Transfer relay does not open
W606
1
Transfer relay does not open slave 1
W607
1
Transfer relay does not open slave 2
W608
1
Transfer relay does not open slave 3
Display no.
Level
Description
F702
5
DSP reset
F703
2
Timeout during a task
F704
4
Invalid DSP calibration
W705
1
Watchdog DSP has been tripped