February 19, 20206 yr Hi all. I have the following setup: 16 x 275W Canadian Solar 1x Mecer Axpert MKS II 4x Pylontech US2000 Plus (1 year old) 2x Pylontech US2000 (new) 1x ICC from centurion Solar Once I installed the additional batteries, the ICC failed to show the battery SOC, Battery Volts, Battery Amps, & Battery Temp. But on the inverter it showed that the batteries were charging. When the batteries were checked, the 2 newest ones showed that they were charging (solid light), with the older 4 on standby (1 flash). Assuming this was the systems way of getting the SOC in balance for all 6. When I checked the monitoring side though, the problem mentioned above was what I saw on the ICC. A US2000 Plus is the master and the rest slaves. Could I have a communication cable problem from the ICC to the batteries (obvious first check to do in the morning)? Or do I have a design fault on the battery side with the ICC unable to monitor the 6 batteries? Is there perhaps a mix issue with new and old batteries or the fact that they are slightly different? Or would a full setting check need to be done to isolate the problem from an inverter setting perspective? Any help or advice will be greatly appreciated. Thank you in advance
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