Fronius MTG 2100 S, Service Manual

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Visual inspections
General The following must be visually inspected without any further dismantling of the device.
Obvious defects in any safety-related device components are unacceptable. Defects that
could pose a risk during the visual inspection must also be recorded.
Any defects that could cause other hazards must be repaired immediately or restrictions
placed on the further use of the system until repairs have been effected.
Mains supply and
connecting lines - Connecting lines and other cables must not be damaged or defective
- Insulation must not be damaged (do not use insulating or adhesive tapes to repair
damage)
- Connectors and plug connections must not be damaged or deformed
- Strain-relief devices, bending-protection devices, line routings or mountings must all
be effective
- Lines/plugs must be suitable for the application and the power level
- Fuse cartridges and device fuse holders must not be faulty
IMPORTANT!
Use the relevant standard as the basis for determining the cross-section and cur-
rent capacity of mains cables.
As the current capacity can vary depending on how the cables are routed and the differ-
ent ambient temperatures, the requirements set out in the standard must be observed
when changing mains cables. Also refer to the applicable requirements and standards in
your country.
Housing and cov-
ers - All housing components, insulation components and protective covers must be
present and undamaged
- Unauthorised modifications may not have been made, e.g.: Installations or conver-
sions that have not been approved by the manufacturer
- Cooling openings must not be dirty or blocked and an air filter must be present
- Any dirt, corrosion or degradation that impairs safety must not be visible
- There must be no signs of overloading or improper use
- There must not be any conductive objects in the housing
Adjustment and
display devices - Control elements and indicators must not be faulty
Rating plate and
warning stickers - Safety-related labels (e.g. warning notices, earthing symbols, rating plates, etc.)
must be present. Replace, update or correct the labels as required
- The legibility of all safety-related labels or symbols, measurement data and position-
ing indicators must be ensured
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