SMA MLX Series - Manual (Page 30)

PV-related Events
ID Status
message Description Action DNO Hotline PV
103 PV current is too
high/waiting
Too many PV modules connected in
parallel. Should only appear on newly
installed systems.
Check number of strings in parallel and current
ratings. Has the current limit been exceeded?
Reconnect strings in parallel.
- x x
115,
260
PV ISO too low The resistance between ground and PV
is too low for the inverter to start up.
This will force the inverter to make a
new measurement after 10 minutes.
Make a visual inspection of all PV cables and
modules for correct installation according to the
installation guide. The event could indicate that
the PE connection is missing.
- x x
258 PV voltage too
high/waiting
DC voltage is too high. Check that PV installation and layout correspond
to recommendations in the manuals.
- x x
278 DC voltage high warning. Check that PV installation and layout correspond
to recommendations in the manuals.
- x x
Table 4.2 PV-related Events
Internal Events
ID Status
message Description Action DNO Hotline PV
201–208 The internal temperature of the inverter is
too high.
Check that the inverter is not covered and
that the ventilation duct is not blocked.
- x -
209, 210 Voltage on DC bus is too high. If event persists, reset the inverter by discon-
necting DC and AC, using the switches. If the
event is repeated, check the maximum PV
voltage using the display to see if it is above
the limits.
- x -
211 Fan rpm low Fan speed is too low. Check if the inverter fan is blocked. - x -
213–215 Internal error. Voltage measured before and
after the relay differs too much.
Call service. - x -
216–218 Current measured on AC side is too high. Call service. - x -
219–221 Internal error. Voltage measured before and
after the relay differs too much.
Call service. - x -
225–240,
275
Failure in memory/EEPROM. Restart the inverter. If event persists, call
service.
- x -
241, 242,
245, 249
Internal communication error. Restart the inverter. If event persists, call
service.
- x -
248 Internal CPU error. Restart the inverter. If event persists, call
service.
- x -
252–254 Current measured on AC side is too high. If the event is repeated, call service. - x -
243, 263 Internal error. Restart the inverter. If event persists, call
service.
- x -
279 Temperature sensor error. If the event is repeated, call service. - x -
280 Self-test 24-hour timeout. Self-test must run
at least once per 24 hours.
None. - - -
281 Too many RCMU events during the past 24
hours.
Only 4 automatic reconnect attempts after
event 34 is allowed during a 24-hour period.
The inverter will automatically try to
reconnect after a certain period.
Wait up to 24 hours. If event 34 also occurs,
follow the action for event 34.
- x -
282 Grid code settings invalid. Restart the inverter. If event persists,
reconfigure the grid code settings.
- x -
283 Gatedrive error. Restart the inverter. If event persists, call
service.
- x -
Service
L00410644-01_2q / Rev. date: 2014-06-02 29
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