SMA SUNNY ISLAND 3.0M Operating Manual page 79

SMA Solar Technology AG
No. Name
W 862 Sic2BatVtgHi
W 863 Sic2PvVtgHi
W 864 Sic2PvVtgLo
W 865 Sic2TmpLo
W 866 Sic2TmpHI
W 867 Sic2ComLoss
Operating Manual
Level Cause
1 PV charge controller 2 bat-
tery overvoltage: Battery volt-
age at the Sunny Island Charg-
er 2 is too high.
1 PV charge controller 2 PV
generator overvoltage: PV
voltage at the Sunny Island
Charger 2 is too high.
1 No PV voltage or short cir-
cuit on PV charge con-
troller 2: No PV voltage at the
Sunny Island Charger 2 or there
is a short circuit.
1 Sensor error (or undertem-
perature) for the PV charge
controller 2 charger temper-
ature: Sunny Island Charger 2
reports battery undertempera-
ture.
1 PV charge controller 2 de-
vice overtemperature: Sun-
ny Island Charger 2 reports bat-
tery overtemperature.
1 No communication with DC
charger for more than 24 h
– PV charge controller 2: Last
communication with the Sun-
ny Island Charger 2 was more
than 24 hours ago.
10 Troubleshooting
Corrective measures
• Reset the system. For this, switch off
the system, wait ten minutes and
restart.
• Ensure that the configuration of the
Sunny Island Charger charge
controller with the DIP switches is
correct.
• Ensure that all DC sources and DC
loads are correctly configured and
connected.
• Contact the Service, if required (see
Section 16 "Contact", page 161).
• 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).
• Ensure that undamaged CAT5e
cables are used for communication
and that the cables are plugged in
correctly.
• Ensure that the configuration of the
Sunny Island Charger charge
controller with the DIP switches is
correct.
• Ensure that the communication
interfaces are correctly inserted in
the Sunny Island.
SI30M-44M-60H-80H-BE-en-33 79