SMA Solar Technology AG
9 Service
Installation Manual
STPS60-IA-xx-13
39
Battery-related events
ID
Display
Description
Measure
DN
O
SMA Se
rvice Lin
e
DC
103
DC input
current is
too high
Overcurrent at the DC input.
The inverter briefly interrupts
feed-in operation.
If this message is displayed
frequently, ensure that the battery
has been correctly connected and
that the correct battery has been
selected.
-
-
x
115
PV
resistance
ground low
The resistance between the DC
terminals and ground (PE) is
too low for the inverter to be
commissioned. This will force
the inverter to make a new
measurement after ten minutes.
Make a visual inspection of all DC
cables and the battery for correct
installation according to the
installation manual. The event could
indicate that the PE connection is
missing.
Warning:
A repeated occurrence
of this message on several
consecutive days indicates a
general problem in the DC
insulation. In this case, a
comprehensive test of the insulation
is necessary, since even a sudden
ground fault during operation
cannot be excluded.
Warning:
A ground fault during
operation can completely destroy
the device.
-
x
x
258
DC bus
overvoltage
event
The DC voltage is too high.
Make sure that battery system and
layout correspond to
recommendations in the manuals.
-
x
x
260
PV ISO too
low
Insulation error. The inverter
has detected a ground fault on
the DC side.
Check the battery and DC cabling
for ground faults.
-
x
x
278
DC bus
overvoltage
warning
DC voltage warning.
Make sure that battery system and
layout correspond to
recommendations in the manuals.
-
x
x
400
Charge
current
exceeded
high limit
Charging current is too high.
Check the battery management
system.
-
-
x
401
Discharge
current
exceeded
high limit
Discharge current is too high.
Check the battery management
system.
-
-
x
