SMA SI 3.0-11 - Manual (Page 61)

SMA Solar Technology AG 9 Troubleshooting
Operating Manual SI30M-44M-60H-80H-BE-en-30 61
W 778 DSPNoSlv1 1 CAN communication with slave 1 is
faulty.
•
Ensure that undamaged CAT5e
cables are used for communication
and that the cables are plugged in
correctly.
•
Ensure that the communication bus
is equipped with a terminator at
both ends.
W 779 DSPNoSlv2 1 CAN communication with slave 2 is
faulty.
F 781 SlvError 4 Error at a slave in the main cluster
causing system shutdown.
•
Read off the pending and logged
warnings and errors and eliminate
the causes.
F 782 AIVtgMonFail 4 Monitoring of the utility grid has
failed.
• Contact the SMA Service Line.
F 783 CANCom 2 Synchronization in the cluster is
interrupted at the master.
•
Ensure that undamaged CAT5e
cables are used for communication
and that the cables are plugged in
correctly.
•
Ensure that the communication bus
is equipped with a terminator at
both ends.
W 784 CANComSlv1 1 Synchronization in the cluster is
interrupted at slave 1.
W 785 CANComSlv2 1 Synchronization in the cluster is
interrupted at slave 2.
F 787 VcoreFail 3 Internal device voltage in the master
is outside the tolerance limits.
• Contact the SMA Service Line.
F 788 VcoreFailSlv1 3 Internal device voltage in slave 1 is
outside the tolerance limits.
F 789 VcoreFailSlv2 3 Internal device voltage in slave 2 is
outside the tolerance limits.
W 791 RsDspSlv1 1 Signal processor has performed a
reset.
W 792 RsDspSlv2 1
W 793 TimeOutDspSlv1 1 Time for performing a particular task
has been exceeded.
W 794 TimeOutDspSlv2 1
W 797 AiVtgMonFailSlv1 1 Monitoring of the utility grid has
failed.
W 798 AiVtgMonFailSlv2 1
No. Name Level Cause Corrective measures