Steca StecaGrid 3000 - Maintenance; Removing dust; Removing heavy soiling; Disposal

74
742.221 | 12.04
EN
Event message Description Type
Grid islanding
detected
There is no grid voltage present (inverter running independently). For
safety reasons, the inverter must not feed into the grid.
 Contact your installer if this error occurs frequently.
Time/date lost The inverter has lost the current time and date settings because it was
disconnected from the grid for too long. Yields cannot be stored and
event messages will have the wrong date.
 Correct the time and date under Settings / Time/Date.
Intern. info  Contact your installer if this information occurs frequently.
Intern. warn-
ing
 Contact your installer if this warning occurs frequently.
Intern. error  Contact your installer if this error occurs frequently.
Self test
failed
 An error occurred during the self test and the self test was cancelled.
Contact your installer when
– the self test is cancelled due to an error several times at different
times of the day and
– it is certain that the grid voltage and frequency were within the
limit values defined by the country setting; see section 14, p. 75.
Tab. 10: List of event messages
12 Maintenance
The inverter is basically maintenance-free. Despite this, it is a good idea to regularly check that the
cooling fins on the front and rear sides of the device are free of dust.
Clean the inverter when necessary as described below.
Caution
Danger of damage to components.
• Do not allow cleaning agents and devices to penetrate between the cooling fins at the front of
the inverter(under the grey hood).
• Do not use especially the following cleaning agents:
– Solvent-based cleaning agents
– Disinfection agents
– Coarse or sharp-edged cleaning agents
Removing dust
 Dust should be removed using compressed air (max. 2 bar).
Removing heavy soiling
Danger
Risk of death by electrocution! Use cleaning agents only with a slightly damp cloth
 Remove heavy soiling with a slightly damp cloth (use clear water). If necessary, use a 2 % hard
soap solution instead of water.
After cleaning, remove any soap residue using a slightly damp cloth.
13 Disposal
Do not dispose of the device in the normal household waste. At the end of its service life, return the
device to Steca Customer Service with a note stating Zur Entsorgung [For disposal].
The device packaging consists of recyclable materials.