9 category sys – SMA SI 4548-US User Manual
Page 217
SMA America, LLC
20 Troubleshooting
Operating Manual
SI4548-6048-US-BE-en-20
217
20.8.9 Category SYS
W874
1
No PV voltage or short circuit on Sunny Island Charger 3
W875
1
Sensor error (or undertemperature) on Sunny Island Charger 3
W876
1
Overtemperature Sunny Island Charger 3
W877
1
No communication with Sunny Island Charger 3 for more than 24 h
W881
1
Battery reversely connected or short circuit on Sunny Island Charger 4
W882
1
Battery overvoltage Sunny Island Charger 4
W883
1
Overvoltage PV array Sunny Island Charger 4
W884
1
No PV voltage or short circuit on Sunny Island Charger 4
W885
1
Sensor error (or undertemperature) on Sunny Island Charger 4
W886
1
Overtemperature Sunny Island Charger 4
W887
1
No communication with Sunny Island Charger 4 for more than 24 h
F890
2
Interference at external measurement point of Multicluster Box
F891
2
Interference at external measurement point of Multicluster Box slave 1
F892
2
Interference at external measurement point of Multicluster Box slave 2
F893
2
Interference at external measurement point of Multicluster Box slave 3
Display no.
Level
Description
W915
1
DSP failure
F920
3
Error message via SiCom: General
F921
3
Error message via SiCom: Battery overvoltage
F922
3
Error message via SiCom: Battery undervoltage
F923
3
Error message via SiCom: Battery overtemperature
F924
3
Error message via SiCom: Battery undertemperature
F925
3
Error message via SiCom: Battery overtemperature in charge mode
F926
3
Error message via SiCom: battery undertemperature in charge mode
F927
3
Error message via SiCom: battery charging current too high
F928
3
Error message via SiCom: Battery charging current in charge mode
too high
F929
3
Error message via SiCom: Error in the battery
F930
3
Error message via SiCom: Short circuit
F931
3
Error message via SiCom: Internal error in battery management
Display no.
Level
Description