4 Service
4 Service
4.1 Troubleshooting and Repair
The information is organized in tables showing messages
appearing in the LCS-Tool, known as events. The tables
contain descriptions of events as well as explanations of
which actions to take when an event occurs.
Event type
ID
Display
Description
Measures
DNO
SMA Service Line
PV
Grid-Related Events
ID
Status
message
1–6
7–9
10–15
16–18
19, 22
28–30
31–33
34
SHP75-10-STP60-10-IA-xx-18
Indicates whether the event is of the grid, PV, internal or fail safe category.
The specific event ID.
Text shown in display.
Description of the event.
Description of which action to take prior to contacting any other parties.
If the prescribed action has not identified the malfunction, contact the DNO for further assistance.
If the prescribed action has not identified the malfunction, contact Service for further assistance
(see Section 6 "Contact", page 48).
If the prescribed action has not identified the malfunction, contact the PV module supplier for
further assistance.
Description
Grid voltage too low.
Grid voltage average too high
for ten minutes.
Grid voltage too high.
The inverter has detected a
voltage peak on the grid.
Grid frequency too low or too
high.
Grid frequency change
exceeded.
DC current share in utility grid
is too high.
Measures
Check voltage and AC installation.
If the voltage is zero, check the
fuses.
Check that the installation is correct
in accordance with the installation
manual. If so, request a new grid
code file with increased voltage
limit or reactive power for voltage
suppression.
Check voltage and AC installation.
Check voltage and AC installation.
Check power frequency.
Check deviation of the grid
frequency.
For repeated daily occurrences,
perform onsite grid analysis.
SMA Solar Technology AG
DNO SMA
PV
Service
Line
x
-
-
x
-
-
x
-
-
x
-
-
x
-
-
x
-
-
-
x
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Installation Guide