8 aux category – SMA SI 4548-US User Manual
Page 216
20 Troubleshooting
SMA America, LLC
216
SI4548-6048-US-BE-en-20
Operating Manual
20.8.8 AUX Category
Display no.
Level
Description
F801
4
Plausibility check of contactors in a Multicluster Box failed
W804
1
Grid operation not possible
W805
1
Generator operation not possible
F806
4
Multicluster Box settings do not match software settings.
W807
1
No valid line voltage for requested grid operation
W808
1
Error Q4 contactor
F809
4
Error Q10 contactor (load shedding)
F810
4
Error in 15 V supply of the Multicluster Box
F811
4
Error in 24 V supply of the Multicluster Box
W815
1
Error Q5 contactor
F816
2
Error Q7 contactor
F817
4
Error Q9 contactor
F818
4
A phase is missing, Multicluster Box goes into "Failure" status
W824
1
Error Q4 contactor
W851
1
Battery reversely connected or short circuit on Sunny Island Charger 1
W852
1
Battery overvoltage Sunny Island Charger 1
W853
1
Overvoltage PV array Sunny Island Charger 1
W854
1
No PV voltage or short circuit on Sunny Island Charger 1
W855
1
Sensor error (or undertemperature) on Sunny Island Charger 1
W856
1
Overtemperature Sunny Island Charger 1
W857
1
No communication with Sunny Island Charger 1 for more than 24 h
W861
1
Battery reversely connected or short circuit on Sunny Island Charger 2
W862
1
Battery overvoltage Sunny Island Charger 2
W863
1
Overvoltage PV array Sunny Island Charger 2
W864
1
No PV voltage or short circuit on Sunny Island Charger 2
W865
1
Sensor error (or undertemperature) on Sunny Island Charger 2
W866
1
Overtemperature Sunny Island Charger 2
W867
1
No communication with Sunny Island Charger 2 for more than 24 h
W871
1
Battery reversely connected or short circuit on Sunny Island Charger 3
W872
1
Battery overvoltage Sunny Island Charger 3
W873
1
Overvoltage PV array Sunny Island Charger 3