SMA SUNNY ISLAND 3.0M Operating Manual page 80

10 Troubleshooting
No. Name
W 871 Sic2BatShort
W 872 Sic3BatVtgHi
W 873 Sic3PvVtgHi
W 874 Sic3PvVtgLo
W 875 Sic3TmpLo
W 876 Sic3TmpHI
80 SI30M-44M-60H-80H-BE-en-33
Level Cause
1 Battery reversely connected
or short circuit on PV charge
controller 3: Connection of the
battery to the Sunny Island
Charger 2 is reverse-poled or
there is a short circuit.
1 PV charge controller 3 bat-
tery overvoltage: Battery volt-
age at the Sunny Island Charg-
er 3 is too high.
1 PV charge controller 3 PV
generator overvoltage: PV
voltage at the Sunny Island
Charger 3 is too high.
1 No PV voltage or short cir-
cuit on PV charge con-
troller 3: No PV voltage at the
Sunny Island Charger 3 or there
is a short circuit.
1 Sensor error (or undertem-
perature) for the PV charge
controller 3 charger temper-
ature: Sunny Island Charger 3
reports battery undertempera-
ture.
1
PV charge controller 3 de-
vice overtemperature: Sun-
ny Island Charger 3 reports bat-
tery overtemperature.
SMA Solar Technology AG
Corrective measures
• Ensure that the battery is correctly
connected to the DC connection of
the Sunny Island Charger charge
controller.
• Disconnect the PV array from the
Sunny Island Charger and restart
the system. This will ensure that the
PV array is not short-circuited.
1. Ensure that the battery is correctly
connected to the DC connection of
the Sunny Island Charger charge
controller.
2. Disconnect the PV array from the
Sunny Island Charger and restart
the system. This will ensure that the
PV array is not short-circuited.
3. Reset the system. For this, switch off
the system, wait ten minutes and
restart.
• Contact the Service, if required (see
Section 16 "Contact", page 161).
• Set the Sunny Island Charger to the
operating mode "SMA
operation" (see the Sunny Island
Charger charge controller
installation manual).
Operating Manual