No.
Name
Level Cause
Corrective measures
W 339 ExtVtgIncPro
1
Voltage increase protection Line
conductor L1
• Ensure that the conductor cross-
section of the AC cables is correctly
sized.
W 340 ExtVtgIncProSlv1
1
Voltage increase protection of
line conductor L2
W 341 ExtVtgIncProSlv2
1
Voltage increase protection Line
conductor L3
W 343 AcVtglim
1
Disconnection from the ex-
ternal grid due to insufficient
battery voltage or overvolt-
age at line conductor L1
: The
master disconnects from the ex-
ternal energy source because
the voltage at connection
AC2
is too high or the battery volt-
age too low.
• Contact the Service, if required (see
Section 16 "Contact", page 161).
W 344 AcVtglimSlv1
1
Disconnection from the ex-
ternal grid due to insufficient
battery voltage or overvolt-
age at line conductor L2
:
Slave 1 disconnects from the ex-
ternal energy source because
the voltage at connection
AC2
is too high or the battery volt-
age too low.
W 345 AcVtglimSlv2
1
Disconnection from the ex-
ternal grid due to insufficient
battery voltage or overvolt-
age at line conductor L3
:
Slave 2 disconnects from the ex-
ternal energy source because
the voltage at connection
AC2
is too high or the battery volt-
age too low.
10 Troubleshooting
SMA Solar Technology AG
Operating Manual
63
SI30M-44M-60H-80H-BE-en-33
Summary of Contents for SUNNY ISLAND 3.0M
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