Service Codes; Safety; General; Displaying Status Codes - Fronius Symo 3.0-3-S Serviceanleitung

Service codes

Safety

General

These service codes help to localise and - where possible - rectify faults with the device
directly on site. The individual service codes are subdivided into service classes.
The following information is given for every service code:
-
-
IMPORTANT! Software may only be updated after consulting the Solar Electronics hotline.
The need for the update will be clarified in advance depending on the serial number and
firmware version.
Displaying status The inverter performs a system self diagnosis that automatically detects many faults that
codes may occur and shows them on the display. This means you are promptly made aware of
malfunctions in the inverter and the photovoltaic system, or of any installation or operating
faults.
If the system self diagnosis has detected a specific fault, the associated status code will be
shown on the display.
IMPORTANT! Status codes may sometimes appear briefly as a result of the inverter's con-
trol response. If the inverter then continues working with no sign of any problem, this
means that there was no fault.
Software update In rare cases, an incompatibility message „State 480" may occur on the inverter after the
after a PC board PC board has been successfully replaced.
replacement Please carry out a software update or contact Fronius Technical Support National.
Total failure of the If the display fails to come on some time after sunrise:
display -
-
*
WARNING! An electric shock can be fatal. Before opening the device:
- If applicable, turn the mains switch to the -O- position
- Unplug the device from the mains
- Disconnect the inverter from the DC side
- Using a suitable measuring instrument, ensure that electrically charged parts
(e.g. capacitors) are fully discharged
- Restrict access to the working area
- Take steps to ensure the metallic surfaces of the device cannot be touched
- Suitable protective clothing and equipment must be worn when carrying out
the test or the repair
the reason the service code is being displayed
the relevant troubleshooting measure
Check the AC voltage ON the inverter connections:
the AC voltage must be 230 V (+ 10 % / - 5 %)*
Carrying out an AC reset: Disconnect the inverter when not under load from the AC
supply and switch it back on
The mains voltage tolerance depends on the country setup
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