Differences

This shows you the differences between two versions of the page.

--- mppt-error-codes [2025-06-12 16:13] – [Err 74 - Too many in parallel] rvanzundert
+++ mppt-error-codes [2026-02-10 11:21] (current) – Add Err 77 (Settings sync disabled) rvanzundert
@@ Line 178: / Line 178: @@
 PV panel isolation resistance too low.
 Check the PV array cabling and panel isolation, the inverter restarts automatically once the issue is resolved.
+Consider disconnecting the PV array using the PV switch to resume AC operation.
 ==== Err 42 - Inverter shutdown (PV isolation) ====
 The ground leakage current in the PV array exceeds the allowed 30mA limit.
 Check the PV array cabling and panel isolation.
-Check the installation and restart the unit using the power-switch.
+Consider disconnecting the PV array using the PV switch to resume AC operation.
 ==== Err 43 - Inverter shutdown (Ground Fault) ====
@@ Line 335: / Line 336: @@
 Related configuration settings in VictronConnect are "Prevent CAN network islanding" + "Number of inverters in the system" and "Continue with missing phase" in the System section.
+==== Err 77 - Settings sync disabled ====
+Applies to Inverter RS and Multi RS models. Firmware v1.29 and higher.
+This is a warning that indicates a mixed configuration in a networked setup where system settings synchronisation is enabled on some devices but not on all units. The units that have the settings synchronisation disabled show this warning. The units remain operational, to clear the warning either enable or disable system settings synchronisation on all units.
 ==== Err 80, Err 81, Err 82, Err 83, Err 84, Err 85, Err 86 and Err 87 - PV Input shutdown ====