Fronius String Control 250/25 DCD DF - Manual (Page 95)

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EN-US
Status diagnosis and troubleshooting
Status diagno-
sis and trou-
bleshooting
90x
Service codes of the Fronius String Control 250/25 logged by the Datalog-
ger or sent, depending on the settings
x ... identifies the measuring channel
Cause: Unacceptable deviation of a measuring channel from
the set value
x = 1 ...Measuring Channel 1
x = 2 ... Measuring Channel 2
x = 3 ... Measuring Channel 3
x = 4 ... Measuring Channel 4
x = 5 ... Measuring Channel 5
Remedy: Check string fuses, check solar module strings, check
Fronius Solar.access settings
Missing logging data during the day
Cause: Solar Net is open (the ‘Connection’ LED on the Data-
logger lights up red)
Remedy:
WARNING! An electrical shock can be fatal. Danger from DC
voltage from solar modules.
-
Make sure that the input and output sides in front of the
device are not charged before making any connections or
settings.
- Any and all connections and settings should only be carried
out by qualified electricians.
- Follow the safety rules in these operating instructions.
Safety
(1)
- Set jumper to manual restoration of the energy
supply
- Check wires, connections and the supply:
the error can be found after the first Fronius
String Control 250/25 in the OUT direction for
which the ‘X’ LED (1) lights red or there is no
power supply