No.
Name
Level Cause
Corrective measures
W 871 Sic2BatShort
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.
• 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.
W 872 Sic3BatVtgHi
1
PV charge controller 3 bat-
tery overvoltage
: Battery volt-
age at the Sunny Island Charg-
er 3 is too high.
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.
W 873 Sic3PvVtgHi
1
PV charge controller 3 PV
generator overvoltage
: PV
voltage at the Sunny Island
Charger 3 is too high.
• Contact the Service, if required (see
Section 16 "Contact", page 161).
W 874 Sic3PvVtgLo
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.
W 875 Sic3TmpLo
1
Sensor error (or undertem-
perature) for the PV charge
controller 3 charger temper-
ature
: Sunny Island Charger 3
reports battery undertempera-
ture.
• Set the Sunny Island Charger to the
operating mode "SMA
operation" (see the Sunny Island
Charger charge controller
installation manual).
W 876 Sic3TmpHI
1
PV charge controller 3 de-
vice overtemperature
: Sun-
ny Island Charger 3 reports bat-
tery overtemperature.
10 Troubleshooting
SMA Solar Technology AG
Operating Manual
SI30M-44M-60H-80H-BE-en-33
80
Summary of Contents for SUNNY ISLAND 3.0M
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