SMA Solar Technology AG 9 Troubleshooting
Operating Manual SI60H-80H-BE-en-20 61
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 terminal of the Sunny
Island Charger.
•
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 with the DIL 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.
• Contact the SMA Service Line if required.
W 855 Sic1TmpLo 1 Sunny Island Charger 1
reports a battery
undertemperature.
•
Set the Sunny Island Charger to the
operating mode "SMA operation" (see
installation manual of the
Sunny Island Charger).
W 856 Sic1TmpHI 1 Sunny Island Charger 1
reports a battery
overtemperature.
•
Set the Sunny Island Charger to the
operating mode "SMA operation" (see
installation manual of the Sunny Island
Charger).
No. Name Level Cause Corrective measures
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