ABB REACT-3.6-TL Product Manual page 161

- Error code
- Error message Name of Alarm and Cause
- Warning
Inverter fault / Incomplete inverter closing:
E081 Fault inside the inverter or incomplete inverter closing
- Internal Error (front cover missing or not tightened, cable glands
- Red LED missing or incorrectly tightened, environmental
protection IP65 not guaranteed)
Return current to photovoltaic field:
E084 The error occurs if the input voltage is particularly low
- BackFeed OC (typically in the evening in conditions of low irradiation)
- Yellow LED and indicates a return current from the inverter to the
photovoltaic panels).
E086 Error battery pack 1 unusable:
- Batt. 1 - F2 Indicates that the battery pack is unusable and must
- No LED be replaced.
E087 Error battery pack 2 unusable:
- Batt. 2 - F2 Indicates that the battery pack is unusable and must
- No LED be replaced.
E088 Error battery pack 3 unusable:
- Batt. 3 - F2 Indicates that the battery pack is unusable and must
- No LED be replaced.
E089 Incorrect grid wiring connection on Stand Alone:
- Wrong Wiring The error occurs if the grid cables have been
- Yellow LED incorrectly connected to the Stand Alone output.
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Solution
• If the problem has occurred during the installation phase or
during the inverter maintenance phase (therefore the cover
has been removed or the cable glands have been acted
upon), carry out the following operations:
- Disconnect the AC grid and DC input from the inverter
and check for the front cover and all the cable glands, also
checking their correct tightening to ensure environmental
protection IP65; reconnect the AC grid and the DC input and
attempt to switch the inverter on; if the problem persists,
contact customer assistance :
- If the front cover and all cable glands are present, disconnect
the AC grid and DC input from the inverter and wait 15
minutes at a safe distance, then open the inverter cover and if
no smoke/smell of burning is present, check the integrity of the
components or the presence of moisture or other abnormal
conditions; reconnect the AC grid and DC input and attempt to
switch on the inverter; if the problem persists contact customer
assistance.
• If the problem has occurred after installation or after an
inverter maintenance phase (therefore the cover has NOT
been removed or the cable glands have NOT been acted
upon), disconnect the AC grid and the DC input from the
inverter and contact customer assistance.
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 field.
- If the error occurs with good irradiation conditions, switch
the inverter off and back on again; if the error persists, contact
customer assistance.
• 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.
• 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.
• 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.
• Check that the cables on the Stand Alone output have been
installed correctly.
8 - Maintenance