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Why will my Conext Battery Based inverter not perform an Equalization cycle?

Issue:
Battery based inverter system does not complete a equalization cycle when required by the battery manufacturer.

Product Line:
Conext XW, Conext XW+, Conext SW

Environment:
Battery based inverters

Cause:
When equalization is enabled, the system must first complete a full charge cycle before starting equalization. If this charge cycle is interrupted, the unit will show a status of equalization pending until the next cycle that is able to be completed.

Resolution:
Equalization must be enabled separately from the charger and both must be enabled on the system.


Equalizing with an inverter (Conext XW / XW+ / SW)
When using an inverter to equalize the batteries, the AC input must remain qualified during the entire charge cycle. Depending upon the source of the AC input, there are a couple of options to check:
  • AC Input - Utility Grid
    • measure incoming voltage
    • verify there was not a service interruption
    • verify wiring path and terminal torques
    • check settings for allowable voltage ranges
  • AC Input - Generator
    • when using an AGS, verify that the trigger setting is configured for either "Stop Float" or "Stop V" with a stop voltage setting above the equalize voltage
    • check fuel levels
    • verify wiring path and terminal torques
    • measure voltages to ensure within ranges
    • ensure peroidic maintenance schedule for generator is followed
Equalizing with a solar charge controller
When using a solar charge controller to equalize the battery bank, ensure there is adequate solar power available to complete the entire charge cycle in a single day. There are several circumstances which can lead to inadequate solar power to complete the cycle:
  • shading of the PV panels
  • cloud cover
  • seasonal light intensity variation
  • undersized PV array / oversized battery bank
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