SMA SI 3.0-11 - Manual (Page 64)

9 Troubleshooting SMA Solar Technology AG
64 SI30M-44M-60H-80H-BE-en-30 Operating Manual
W 847 ComHMFaill 1 Faulty communication
between the Sunny Island and
Sunny Home Manager.
•
Ensure that the data cables are correctly
installed.
• Ensure that the parameter
250.06 ComBaud is set to 115k Bd.
W 851 Sic1BatShort 1 Connection of the battery to
the Sunny Island Charger 1 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 852 Sic1BatVtgHi 1 Battery voltage at the
Sunny Island Charger 1 is too
high.
•
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.
• Reset the system. For this, switch off the
system, wait ten minutes and restart.
W 853 Sic1PvVtgHi 1 PV voltage at the Sunny Island
Charger 1 is too high.
• Contact the SMA Service Line if required.
W 854 Sic1PvVtgLo 1 No PV voltage at the
Sunny Island Charger 1 or
there is a short circuit.
W 855 Sic1TmpLo 1 Sunny Island Charger 1
reports: sensor error or device
temperature too low.
•
Set the Sunny Island Charger to the
operating mode "SMA operation"
(see the Sunny Island Charger charge
controller installation manual).
W 856 Sic1TmpHI 1 Sunny Island Charger 1
reports: sensor error or device
temperature too high.
•
Set the Sunny Island Charger to the
operating mode "SMA operation"
(see the Sunny Island Charger charge
controller installation manual).
No. Name Level Cause Corrective measures