Deye SUN-5K-SG Reparatiehandleiding - Pagina 12
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5KW Storage Inverter Repairing Guide
The above two figures are the measurement of the IGBT, set knob of multimeter to
diode gear, red table pen corresponding to S-level, black pen corresponding to D-level,
the value of 0.405V, black table pen point G-level value of about 0.450V. If the
difference is too large, especially if the value is close to 0, the IGBT is damaged.
The above image is the data for measuring THE BOOST diode, the red pen to anode A,
the black pen to the cathode K, the measured data as shown 0.33V. If the data difference
is too large or close to 0 indicates that the diode is damaged.