Problem
Possible cause and troubleshooting
Pairing failed
Power optimizers are shaded.
If you connected the inverter to the SolarEdge monitoring portal, retry pairing
remotely (during sunlight).Make sure to leave the inverter ON/OFF switch ON
and that S_OK appears on the LCD..
String voltage is 0V
Power optimizer(s) output is disconnected.
Connect all power optimizer outputs
String voltage not 0V but lower
than number of optimizers
Power optimizer(s) not connected in the string.
Connect all power optimizers
Module(s) not connected properly to power optimizer inputs (not applicable to
smart modules).
Connect the modules to the optimizer inputs
String reverse polarity.
Check string polarity using a voltmeter and correct if needed.
String voltage is higher than the
number of optimizers
WARNING!
If the measured voltage is too
high, the installation may not
have a safe low voltage.
PROCEED WITH CARE! A
deviation of ±1% per string is
reasonable.
Si la tension mesuree est trop
haute, la tension basse de
securite pourrait manquer dans
l’installation. REDOUBLEZ DE
PRECAUTION. Une deviation
de ±1% par string est
raisonnable.
Extra power optimizer(s) connected in the string (not applicable to smart
modules).
Check if an extra power optimizer is connected in the string. If not – proceed
to next solution.
A module is connected directly to the string, without a power optimizer (not
applicable to smart modules).
Verify that only power optimizers are connected in the string and that no
module outputs are connected without a power optimizer. If the problem
persists, proceed to the next step.
Power optimizer(s) malfunction.
o
Disconnect the wires connecting the power optimizers in the string.
o
Measure the output voltage of each power optimizer to locate the power
optimizer that does not output 1V safety voltage. If a malfunctioning power
optimizer is located, check its connections, polarity, module, and voltage.
o
Do not continue before finding the problem and replacing the
malfunctioning power optimizer. If a malfunction cannot be bypassed or
resolved, skip the malfunctioning power optimizer, thus connecting a
shorter string.
Appendix A: Troubleshooting
SolarEdge
-
StorEdge Installation Guide MAN-01-00262-1.0
89
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