Installation Manual

Code
Error
Message
Troubleshooting
CPU
v3.18xx
and
below
CPU v3.19xx
and above
output.
o
Refer to the AC Wiring Application Note
http://www.solaredge.us/files/pdfs/application-note-
recommended-wiring.pdf
117 18x75 Overtemp
Temperature too high
o
Verify proper inverter clearances.
o
Make sure the heat-sink fins are clean and unobstructed.
118 18x76 Undertemp
Temperature too low
Make sure the inverter is installed in a location with ambient
temperatures within the range specified in the datasheet.
123 18x7B MainError Grid measurements are out of range. Contact the grid operator.
127 18x7F IRCDMax
RCD current surge.
Ground faults may occur due to insufficient insulation to the
ground.
WARNING!
ELECTRICAL SHOCK HAZARD. Do
not touch uninsulated wires when the
inverter cover is removed.
AVERTISSEMENT!
RISQUE D’ÉLECTROCUTION, ne
touchez pas les fils non isolés lorsque
le couvercle de l'onduleur est retiré.
Only a qualified technician should handle this problem, and only
after taking proper precautions.
1. Turn the inverter ON/OFF switch to OFF.
2. Wait five minutes for the input capacitors to discharge.
3. Disconnect the AC breaker.
4. Disconnect the DC inputs.
5. Connect each DC string separately, turn the AC and the
inverter ON/OFF switch to ON, until the error appears for the
faulty string.
o
Do not connect strings with a grounding fault to the inverter.
A certified installer must fix the faulty string before
connecting it to the inverter
o
For further documentation, contact SolarEdge Support.
133 18x85
Temp Sensor
fault
Broken or unconnected temperature sensor. Contact
SolarEdge Support.
Single Phase Inverter with HD-Wave Technology Installation MAN-01-00306-1.1
66
Error Codes