Posted inInverter Category Low voltage output Contents Table Toggle Microtek V8 PCB Inverter Basics Inverter Issues Microtek V8 PCB Problem Low voltage output Fault The battery sense level resistance of 20 KΩ connected with the Microcontroller was open. Solution No direct solution. Watch time stamps Drive check Capacitors check Main IC pulse voltage check <Low voltage in IC> D14/D15 diode check 83202 IC connected with resistors check Adding more capacitors Checking main pins 1 and 20 Diagram of Pins Checking resistance Problem found 20 KΩ resistance open Parts used Capacitors 20 KΩ SMD resistance RelatedMains Voltage faults explainedTransformer IssueInverter repair toolsCharging section explanationDisplay LED ProblemSwitch ProblemReverse voltage output from AC input socketRelay problemOverloadOverheatingOverchargingNo chargingNo voltage output from inverter back socketMosfet Blowing issueLow battery IssueInverter going in mains mode when battery wires connectedIncorrect drive voltage in MosfetIC (28leg IC microcontroller) damaged or burntHumming soundHigh Voltage outputDead InverterContinous Fan RunContinuous Beep soundBattery connectors shortingBattery charging Full issueInverter IssuesInverter Basics