Kostal PIKO MP plus 1.5-1 Technical Information page 48

EN
Event message
Grid islanding detected
FE not connected
Residual current too high
Boost converter
malfunction
Device overheated
Boost converter has wrong
HW version
Boost converter not
connected
48
Description
The grid does not carry voltage. The inverter
must not feed into the grid for safety reasons.
The inverter is switched off as long as this
error condition is present. The display remains
dark.
- If the error occurs repeatedly, inform the
installation personnel.
Functional ground is not connected. The
inverter must not feed into the grid for safety
reasons.
- Inform the installation personnel.
The residual current flowing from the positive
or negative input through the PV generators to
ground exceeds the legally permissible value.
The inverter is switched off automatically as
long as this error condition is present.
- Inform the installation personnel.
An internal component of the inverter is
defective. The inverter does not feed into the
grid or feeds into the grid with reduced power.
- Inform the installation personnel.
Despite power reduction, the maximum
permissible temperature has been exceeded.
The inverter does not feed into the grid until
the permissible temperature range has been
reached.
- Check mounting conditions.
- If the error occurs repeatedly, inform the
installation personnel.
The inverter cannot detect an internal
component, or the component does not match
the other components. The inverter does not
feed into the grid.
- Inform the installation personnel.
The connection of the internal components is
disrupted. The inverter does not feed into the
grid.
- Inform the installation personnel.
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