Gree GVH24AK-K3DNC6A - Page 59

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Installation and Maintenance
Service Manual
Checking method:
Use diode notch of universal meter to measure:
Process:
a. Put the black pole of universal meter onto the “+” end of rectier bridge, as shown in the 1 end of the above picture, use the red pole
to touch the 2 and 3 ends of rectier bridge respectively, that is, the AC input end with “~”, read the value respectively, if it is within the
range of 0.3V~0.8V, it means the two diodes of rectier bridge are normal;
b.
c. Put the red pole of universal meter onto the “-” end of rectier bridge, as shown in the 4 end of the above picture, and then use black
pole to touch the 2 and 3 end respectively, that is, the AC input end with “~”, read the value on the universal meter respectively, if it is
between 0.3V~0.8V, it means the two diodes are normal.
Put the black pole of universal meter onto
the “~” AC input end of rectier bridge respectively
Use the red pole to touch
the “-” end
Put the black pole of universal meter onto
the “~” AC input end of rectier bridge respectively
Use the red pole to touch
the “-” end