SMA America, LLC
Operation
Technical Description
SI5048U-TUS121440
89
Status of the external source is displayed (at position E):
The maximum admissible generator reverse power was exceeded; the Sunny Island
has disconnected the generator from the off-grid power system.
Request reason ”
B
attery”:
The generator has been requested as a result of the battery charge level.
Request reason ”
C
ycle”:
The generator was requested via the generator operation's time-dependent
repetition cycle (parameter: 235.17 GnTmOpCyc).
This symbol can only be shown in Multicluster operation.
Request reason ”
E
xternal”:
The generator was requested via the extension cluster. This request can only take
place in multicluster operation.
Request reason ”
L
oad”:
The generator has been requested as a result of the load-dependent generator
request.
Request reason ”
S
tart”:
The generator has been requested by the operator manually setting the generator
request in the Sunny Island from ”Auto” to ”Start”. The generator is then
no longer
automatically controlled or switched off by the Sunny Island.
Request reason ”
T
ime”:
The generator was started for one hour using the ”Run1h” setting in the Sunny
Island. Once this time has passed, the Sunny Island automatically switches off the
generator.
Display for relays (solid circle = the relay is activated / empty circle = the relay is
deactivated).
Warning message is displayed (at position (H):
This symbol blinks until you have confirmed the warning or the error in the menu
”#410 Failures Current” or ”#420 Failure History”.
Display ”Generator Status” and ”Request Reason”
Both indications mentioned above are alternatively displayed as status of the external
source.
Example:
If, for example, the display changes every 3 seconds from ”*” to ”B”, this means that the
generator voltage and frequency lie within the specified limits and that the generator was
requested as a result of the battery charge level.
Symbol
Meaning
