SolarEdge Solar Inverter Installation Manual page 57

Appendix A: Errors and Troubleshooting
Error # Error #
Single Three
Phase Phase
29-30 N/A
31, 33 64/65/66
32, 41 61/62/63,
67/68/69
34 79/80/81
35 82/83/84
36 72/74/75
40 N/A
43 N/A
44 44
SolarEdge Installation Guide – MAN-01-00057-2.2
LCD Message Description
Phase Balance The monitoring
Error hardware that checks
the balance of each
phase (L1-N and L2-N)
has exceeded allowed
limit.
AC Voltage Too Grid voltage is above
High (Line 1/2/3) the limit permitted in
this country.
AC Voltage Too Grid Voltage is below
Low the limit permitted in
this country.
AC Freq Too High Grid frequency is above
(Line 1/2/3) the limit permitted in
this country.
AC Freq Too Low Grid frequency is below
(Line 1/2/3) the limit permitted in
this country.
DC Injection DC feed detected on
(Line 1/2/3) the AC output.
Islanding AC grid voltage is out of
range. The inverter has
shut off due to
islanding.
Isolation Fault Internal hardware error. If the fault persists, contact SolarEdge
No Country The inverter is not
Selected configured to any
country.
Troubleshooting

Check the grid connection.

Check the GND wire connection.

Check the L1, L2 and Neutral wire
connections.

Verify symmetric load between L1 and
L2.

Consult the local grid authority.

Verify that the inverter is set to the
correct country.

Turn OFF the inverters in the site and
verify AC grid voltage.

If the inverter is located far from the
connection point to the grid, use a
larger gauge AC wire.

Consult the grid operator.

If permitted by local authorities, use the
SolarEdge Configuration Tool to change
the settings.

Verify that the inverter is set to the
correct country.

Consult the grid operator.

If permitted by local authorities, use the
SolarEdge Configuration Tool to change
the settings.
Handle this in the same manner as error 32.
Handle this in the same manner as error 32.
If the fault persists, contact SolarEdge
support.
When AC voltage returns, the inverter
should restart after the reconnection time,
which depends on country grid connection
codes.
If the problem persists, consult with the grid
operator whether frequent AC disruptions
have occurred at the site.
support.
Select the country, as described on page
33.
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