In this video, we guide you step by step on how to troubleshoot and fix the DC power alarm in a ZTE Power Cabinet battery system. moreDuring normal operating conditions the UPS supplies power to the load as well as the necessary power required to keep the batteries at the proper float voltage. When AC power fails, the batteries will discharge in order to provide the necessary backup power to the load. During the running of the lithium battery cabinet, the hollow circuit breaker does not trip, and no alarm except the BCB OFF alarm is reported on the. These hazards may include shock, energy, and/or burns use a voltmeter to verify that no voltage or the expected voltage is pre nt. Check for volta with both AC and DC voltmeters prior to making co insula d tools appropriately rated fo age is not hazardously high, the battery can deliver large. Currently, when debugging BQ25150, I encountered two problems as follows: 1. Use bqstudio to change the ICHG_CTRL and ILIMCTRL values.