No.
Name
Level Cause
Corrective measures
F 364 PhsPwrFail
2
The Sunny Island system discon-
nects from the generator or util-
ity grid due to a voltage imbal-
ance between the line conduc-
tors.
• Eliminate any faults in the
installation.
F 365 VAcExtPhsFail
3
Phase position of the measured
AC voltage at
VExt
and
AC2
does not match at line conduc-
tor L1 (Master).
• Ensure that the neutral conductor
and line conductor are correctly
connected to connection
ExtVtg
.
• Ensure that the neutral conductor
and line conductor are correctly
connected to connection
AC2
.
• Ensure that connections
ExtVtg
and
AC2
are connected to the same
line conductor.
F 366 HotAcBus
3
When the tie switch is open, AC
voltage is present at line con-
ductor L1 (Master).
• Ensure that the triggering of the tie
switch is correct.
• Ensure that the tie switch is correctly
wired.
F 367 ExtCtcNotOpen
3
Tie switch does not open.
• Ensure that the triggering of the tie
switch is correct.
• Ensure that the tie switch is correctly
wired.
• Ensure that the feedback contact is
correctly connected.
F 368 NRelNotOpen
3
Neutral conductor relay does
not open at L1 (Master).
• Contact the Service (see Section 16
W 369 NRelNotOpenSlv1
1
Neutral conductor relay does
not open at L2 (slave 1).
W 370 NRelNotOpenSlv2
1
Neutral conductor relay does
not open at L3 (slave 2).
10 Troubleshooting
SMA Solar Technology AG
Operating Manual
65
SI30M-44M-60H-80H-BE-en-33
Summary of Contents for SUNNY ISLAND 3.0M
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