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C01
1C5
5 - Troubleshooting
Display Message Causes Solution
E022
Self-Test Error 4
Relay self- test
timeout
Time taken to execute the au-
totest carried out on the relays of
the DC_AC circuit part (inverter)
is too long. This may indicate
a problem associated with the
aforesaid relays.
Error inside the inverter that cannot be checked ex-
ternally. If the problem persists (after switching the
inverter off and then on again), contact customer
service.
E023
DC inj error
Dc-Injection out of
range
The error is generated if the di-
rect component of the current
supplied to the grid exceeds the
threshold of 0.5% of the rated op-
erating current.
The error does not stop the in-
verter, instead tries to connect to
the grid again. Sporadic repetition
of the error is a sign of large grid
distortions or sudden changes in
sunlight, whereas systematic rep-
etition of the error warning will be
a sign of an inverter fault.
If the grid voltage is strongly distorted, report this
anomaly to the utility company for the resolution of
the problem If there is an inverter fault, contact cus-
tomer service.
E024
Internal error
Error inside the inverter Error inside the inverter that cannot be checked ex-
ternally. If the problem persists (after switching the
inverter off and then on again), contact customer
service.