SMA SUNNY ISLAND 3.0M, Operating Manual

Page: 71 / 164

No. Name Level Cause Corrective measures
W 738 GnSynLoss 1 Synchronization with the gener-
ator not successful. • Ensure that the generator can be
started. The fuel level may be too
low.
• Ensure that a constant and stable
voltage is present at connection
AC2 .
• Ensure that the thresholds for the
generator voltage are correctly
configured.
F 739 SPICom 3 No message from the device
at L1: Internal device communi-
cation of the master is disturbed. • Contact the Service (see Section 16
"Contact", page 161).
W 740 SPIComSlv1 1 No message from the device
at L2: Internal device communi-
cation of slave 1 is disturbed.
W 741 SPIComSlv2 1 No message from the device
at L3: Internal device communi-
cation of slave 2 is disturbed.
F 743 CANCom 3 Internal CAN communication is
missing in the device at L1
(Master). • Contact the Service (see Section 16
"Contact", page 161).
• Ensure that the terminators in the
communication bus are attached.
• Ensure that undamaged CAT5e
cables are used for communication
and that the cables are plugged in
correctly.
W 744 CANComSlv1 1 Internal CAN communication is
missing in the device at L2
(slave 1).
W 745 CANComSlv2 1 Internal CAN communication is
missing in the device at L3
(slave 2).
W 747 InvTmpSnsSlv1 1 Short circuit or cable break on
the temperature sensor of the
transformer L2 (slave 1). • Contact the Service (see Section 16
"Contact", page 161).
W 748 InvTmpSnsSlv2 1 Short circuit or cable break on
the temperature sensor of the
transformer L3 (slave 2).
W 750 InvTmpSnsSlv1 1 Short circuit or cable break on
the temperature sensor of the in-
verter bridge L2 (slave 1). • Contact the Service (see Section 16
"Contact", page 161).
W 751 InvTmpSnsSlv2 1 Short circuit or cable break on
the temperature sensor of the in-
verter bridge L3 (slave 2).
10 Troubleshooting SMA Solar Technology AG
Operating Manual 71 SI30M-44M-60H-80H-BE-en-33