- Error code
- Error message
- Warning
Name of Alarm and Cause Solution
E084
- BackFeed OC
-
Yellow LED
Return current to photovoltaic eld:
The error occurs if the input voltage is particularly low
(typically in the evening in conditions of low irradiation)
and indicates a return current from the inverter to the
photovoltaic panels).
If the error occurs in the evening or in conditions of low
irradiation, it must not be considered a problem but a
protection intervention for the photovoltaic eld.
- If the error occurs with good irradiation conditions, switch
the inverter off and back on again; if the error persists, contact
customer assistance.
E086
- Batt. 1 - F2
- No LED
Error battery pack 1 unusable:
Indicates that the battery pack is unusable and must
be replaced.
• Error inside battery pack 1 and cannot be checked externally.
- If the problem (once the system has been switched off and
back on) persists, contact customer assistance.
E087
- Batt. 2 - F2
- No LED
Error battery pack 2 unusable:
Indicates that the battery pack is unusable and must
be replaced.
• Error inside battery pack 2 and cannot be checked externally.
- If the problem (once the system has been switched off and
back on) persists, contact customer assistance.
E088
- Batt. 3 - F2
- No LED
Error battery pack 3 unusable:
Indicates that the battery pack is unusable and must
be replaced.
• Error inside battery pack 3 and cannot be checked externally.
- If the problem (once the system has been switched off and
back on) persists, contact customer assistance.
E089
- Wrong Wiring
-
Yellow LED
Incorrect grid wiring connection on Stand Alone:
The error occurs if the grid cables have been
incorrectly connected to the Stand Alone output.
• Check that the cables on the Stand Alone output have been
installed correctly.
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