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

Finally...

General

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General Any defects that could cause other hazards must be rectified immediately or restrictions
placed on the further use of the system until repairs have been effected.
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Disconnect the inverter from the AC grid and DC supply when it is not under load (set
the DC disconnector to position 0).
Re-attach/connect all the Datcom leads that were removed (restore the inverter to the
state it was in before the repair or safety inspection).
If necessary, replace the AC lead in the PG gland.
Check whether any conductive objects have been placed in the housing.
Fit the Datcom cover with two 5x25 TX25 screws - 2.5 Nm
Missing or damaged housing parts, insulation or protective covers.
Dirt or blockages in cooling openings.
Check that all safety-related labels (e.g. warning notices, grounding symbols, rating
plates, etc.) are present. If required, replace, supplement or amend them as appropri-
ate.
Ensure that all safety-related labels or symbols, measurement data and positioning in-
dicators are legible.
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