Installation Guide

StorEdge Error Codes
This section describes the error messages that are specific to the StorEdge
solution. For troubleshooting errors that are not listed below, refer to
https://www.solaredge.com/sites/default/files/troubleshooting_for_se_inverter_
insallation_guide_addendum_na.pdf, or contact SolarEdge support. For the
general SolarEdge troubleshooting refer to the codes in the previous
section.
Error
Code
LCD Message Cause and Troubleshooting
51 Reverse Polarity_PV Charge
Check string polarity using a
voltmeter and reconnect as
required.
52 Reverse Polarity_Battery Precharge
Check battery's DCcables
polarity using a voltmeter and
reconnect as required.
3x6D
Internal RGMError
Check the CTs connections and
direction.
1Dx15
Connection Unit
HW Error
Check all the communication
cable between the StorEdge
Connection Unit and the digital
board in the inverter.
1Dx16
Auto-Transformer
Temp. Too High
Inverter production stopped due
to auto-transformer
overheating.
Shut down non-essential loads
to reduce the phase imbalance.
If you use the inverter for on-
grid applications only (without
auto-transformer) - move SW2
to the UPposition (ON) (refer to
DIPSwitch Setup on page 64).
1Dx26
Connection Unit
Communication Error
There is a faulty wire connection
or an internal error.
Check the communication
cable between the StorEdge
Connection Unit and the
StorEdge Solution with Backup MAN-01-00262-1.5
132 StorEdge Error Codes