Differences

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--- mppt-error-codes [2025-12-16 13:51] – [Err 42 - Inverter shutdown (PV isolation)] rvanzundert
+++ mppt-error-codes [2026-09-30 07:32] (current) – rvanzundert
@@ Line 175: / Line 175: @@
 If the charger is unable to turn off the PV input, it will go into a safe mode in order to protect the battery from over-charging or having a high voltage on the battery terminals. In order to do that, the charger will stop charging and disconnect its own output. The charger will become faulty.
-==== Err 41 - Inverter shutdown (PV isolation) ====
+==== Err 41 - PV isolation failure ====
 PV panel isolation resistance too low.
-Check the PV array cabling and panel isolation, the inverter restarts automatically once the issue is resolved.
+Check the PV array cabling and panel isolation.
-Consider disconnecting the PV array using the PV switch to resume AC operation.
+=== Inverters or Multis ===
+The inverter restarts automatically once the issue is resolved.
+Consider disconnecting the PV array using the PV switch to immediately resume AC operation.
+=== Solar Chargers ===
+The isolated battery charger remains operational.
+Once the issue is resolved restart the charger to clear this warning.
-==== Err 42 - Inverter shutdown (PV isolation) ====
+==== Err 42 - PV isolation failure ====
 The ground leakage current in the PV array exceeds the allowed 30mA limit.
 Check the PV array cabling and panel isolation.
 Consider disconnecting the PV array using the PV switch to resume AC operation.
-==== Err 43 - Inverter shutdown (Ground Fault) ====
+==== Err 43 - Ground fault detected ====
 The voltage difference between Neutral and Ground is too high.
-Inverter or Multi (not connected to the grid):
+=== Inverter or Multi (not connected to the grid) ===
   * The internal ground relay is activated but the voltage over the relay is too high. The relay might be damaged.
-Multi (connected to the grid):
+=== Multi (connected to the grid) ===
   * The ground wire in the installation is not present or not connected properly.
   * Line and Neutral are swapped in the installation.
@@ Line 336: / Line 343: @@
 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 ====