This warning means the battery State of Charge is very low, usually below 5%.
Charge the battery immediately. Avoid using high-load appliances until the battery has recovered.
This means the battery State of Charge is low, usually below 15%.
Charge the battery as soon as possible and reduce unnecessary loads.
This means the battery voltage has dropped below the expected operating range.
Charge the battery and reduce DC and AC loads until the system returns to normal.
The system has entered protection mode because the battery voltage is too low.
Connect the charger and allow the battery to recover before continuing normal use.
This means the battery voltage is extremely low.
Charge the battery immediately. Avoid running appliances until the battery has recovered.
This means the battery voltage is too high.
Remove or turn off external charge sources and check the battery voltage. If the warning remains, contact a service centre.
This means the system has detected voltage above the acceptable range.
Check that the charger and any external charging sources are operating correctly. If the warning continues, stop using the system and contact a service centre.
Check that the charger is suitable for the connected lithium battery system and that the charging voltage is correct.
If the issue continues, turn off charging sources and contact a service centre.
This warning may indicate a battery fault.
The battery may need to be replaced. Contact a service centre for further assessment.
This means the system setting for the number of connected batteries does not match the physical battery setup.
Check the system Battery Num setting and confirm the communication cables between the batteries are connected correctly.
This means the battery installation area is too cold for normal operation.
Allow the battery environment to return to a normal operating temperature. If the warning continues, contact a service centre.
This means the battery temperature is too high.
Check that the battery area has suitable ventilation. Confirm battery cables are tight, correctly rated, and not overheating. Also check that the charge current does not exceed the battery’s maximum charge rating.
If the warning continues, contact a service centre.
This means the Battery Management System temperature is too high.
Check the installation environment, ventilation, and heat dissipation. Reduce discharge current by turning off high-load appliances.
The BMS has detected excessive temperature.
Improve ventilation, reduce loads, and allow the system to cool down.
The battery cells are too hot to safely accept charge.
Check the battery installation area, ventilation, and surrounding temperature. Allow the battery to cool before charging again.
The charging current may be higher than the battery can safely accept.
Check whether the charger current exceeds the battery’s maximum charge current. Also confirm the charger is operating normally. If the issue continues, contact a service centre.
The system has detected excessive charging current.
Check whether a non-Intelli range LB battery is connected to the system. Confirm the battery and charger are compatible.
The battery discharge current is too high.
Reduce the total output load. Turn off high-current appliances and allow the system to recover.
The system has detected excessive discharge current.
Reduce the output loads connected to the system.
The AC load connected to the inverter is too high.
Reduce the AC load by turning off appliances connected to the AC output.
The inverter is overloaded.
Reduce the AC load connected to the inverter.
The system has detected a possible short circuit on the AC output.
Turn off connected AC loads and inspect the AC output wiring. Do not continue using the system until the cause has been checked.
The 12V output side of the INVCHR4-48VJ is overloaded.
Reduce the DC load connected to the 12V side.
The 12V side has detected excessive voltage.
Check the external input voltage on the 12V side of the INVCHR4-48VJ.
The load connected to Output 1 may be too high, or there may be a wiring issue.
Check the load wiring and confirm the connected load does not exceed the output rating.
The system has detected a possible short circuit on Output 1.
Check the load wiring and connected equipment. Remove the load and retest if required.
The system may not be detecting the expected current on Output 1.
Check whether the load wiring is connected correctly and is in good condition.
This indicates a fuse-related fault on Output 1.
Contact a service centre.
The system temperature is too high.
Reduce the loads and allow the system to cool down.
The inverter temperature is too high, or the internal temperature sensor may be abnormal.
Check that the INVCHR4-48VJ installation area has good ventilation and heat dissipation. Reduce AC loads and allow the unit to cool.
The DC-DC section temperature is too high, or the internal temperature sensor may have an issue.
Check ventilation around the INVCHR4-48VJ and allow the unit to cool down.
The MPPT solar charging section temperature is too high, or the internal temperature sensor may have an issue.
Check ventilation and heat dissipation around the INVCHR4-48VJ.
The AC input voltage from mains or generator is too high.
Check the AC input source before continuing operation.
The AC input frequency is too high.
Check the frequency of the mains or generator source.
The AC input frequency is too low.
Check the frequency of the mains or generator source.
The solar input voltage is too high.
Check the PV panel connections and confirm the actual input voltage is within specification.
The system has detected excessive external voltage.
Check the output voltage of the connected charger or external source.
This means the system has lost communication between the inverter/charger and the display/controller.
Check the signal cables between the INVCHR4-48VJ and IGCMD18J. If the fault cannot be corrected, contact a service centre.
The INVCHR4-48VJ and IGCMD18J are no longer communicating correctly.
Check the signal cable connection between both units.
This may indicate an internal system or battery communication issue.
Contact a service centre for further diagnosis.
The system has detected a module fault.
Contact a service centre.
The cooling fan may not be operating correctly.
Contact a service centre.
The heating module has detected an abnormal condition.
Restart the device. If the fault continues, contact a service centre.
Warnings such as the following usually require service assessment:
If any of these warnings appear, contact a service centre.
This means the inverter has detected an abnormal grounding condition.
Check the inverter grounding. If unsure, have the installation checked by a qualified technician.
The system has detected an issue during the pre-discharge stage.
Check the output circuit and connected loads. Avoid short circuits and always-on loads that may prevent the system from starting correctly.
The fuel sensor is not connected or is not being detected.
Contact a service centre.
The inside temperature sensor lead may be disconnected.
Check that the inside temperature sensor lead is connected correctly.
The sensor battery is low.
Replace the sensor battery.
This may be caused by a low sensor battery, sensor distance, pairing issue, or cable connection issue.
Check the following:
The water tank is empty.
Add more water to the tank.
The water tank is full.
Empty the water tank as required.
The water tank sensor may be disconnected or incorrectly configured.
Check that the water sensor cable is connected properly to the IGCMD18J. Also confirm the correct water level sensor setting, such as RSA, is selected.
The tank sensor has detected a fault.
Contact a service centre.
The tyre pressure is above the warning threshold.
Check the tyre pressure and confirm the tyre warning threshold value is set correctly.
The tyre pressure is below the warning threshold.
Check the tyre pressure and confirm the tyre warning threshold value is set correctly.
Contact a service centre if:
Provide the following details: