Symptoms:
All Maximizers are not communicating.
Troubleshooting Steps:
Note: Maximizers need very little sunlight to communicate.
Check Grafana for faults:
PV_BUS_MISMATCH_STATUSfault flagged on the TRM alert matrix — indicates a potential reverse polarity miswire.GIRM_SELF_TEST_FAULTfault flagged on the TRM FUSA alert matrix — indicates a ground fault. Go through ground fault troubleshooting. A pinched maximizer wire under a PV module is a common cause of this fault.