General; Safety - Fronius Symo 3.0-3-S Serviceanleitung

General

Safety

An electric shock can be fatal.
Before opening the device
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An electric shock can be fatal.
Danger of residual voltage from capacitors. Wait until the capacitors have discharged.
Additional information on discharge time can be found in the operating instructions and in
the safety information on the inverter.
Incorrect operation and incorrectly performed work can cause serious injury and
damage to property.
Only qualified staff are authorized to commission your inverter and only within the scope
of the respective technical regulations. Do not start operation or carry out servicing and
repair tasks before you have read the chapter "Safety Instructions."
An electric shock can be fatal.
Danger from grid voltage and DC voltage from solar modules.
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An inadequate ground conductor connection can cause serious injury and
damage to property.
The housing screws provide an adequate ground conductor connection for grounding the
housing and should not be replaced under any circumstances by other screws that do
not provide a reliable ground conductor connection.
WARNING!
Set power switch to -O- if there is one
Disconnect the device from the grid
Disconnect the inverter from DC power
Use a suitable measuring tool to ensure that electrically charged components (e.g.
capacitors) are discharged
Restrict access to the working area
Implement measures to ensure that the metallic surfaces of the device cannot be
touched
Wear suitable protective gear when inspecting/repairing the device
WARNING!
WARNING!
WARNING!
The connection area should only be opened by an authorized electrician.
The separate power stage set area should only be disconnected from the connec-
tion area after first being disconnected from the grid power.
The separate power stage set area should only be opened by service personnel trai-
ned by Fronius.
Never work with live wires! Prior to all connection work, make sure that the AC and
DC wires are not charged.
WARNING!
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