Posted January 5, 20232 yr my solar inverter 1.2 Kva Inverex gives error code 12 and start beeping and shutdown all load. There is no pattern of occuring this error. Sometime it occurs after 1-2 hours and sometime after 2-3 days. The error pops even when everything (except battery) is disconnected. I took to service center and after 2 visits i asked him to change the NTC heat sink sensors. But no luck. can any one help me to rectify the error. Thanks
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