9. Status Diagnosis and
Troubleshooting
The photovoltaic solar inverter is equipped with a self-diagnosis system that
identifies a large number of possible operating procedures independently and
shows them on the LCD display. This makes it possible to quickly eliminate
technical problems.
Furthermore, a differentiation is possible between
– Service codes concerning installation and
– Service codes that relate internally to the photovoltaic solar inverter
Whenever the self-diagnosis system identifies a particular problem, the
appropriate service code is showed on the LCD display.
The following work may only be performed by trained technical staff
9.1 Error codes and explanations
The device is in soft start
mode, but after 2 seconds,
no stable charging
voltage is determined on
the DC bus.
1. Disconnect all PV (+)- or
PV (-) connections.
2. Wait a few seconds.
3. After the LCD display goes
out, reinsert all the
connections and check it
again.
4. If the error occurs again,
please contact your dealer.
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