Checking The Defrost Fuse; Checking The Heater - Hisense RD-44WC series Service Manual

Checking the defrost fuse

Fuse is a high temperature protector of defrost system, when defrosting, if it feel the temperature is more than
73℃, it will cut off the defrost heater, stopping defrost, so that it can protect the parts. The common problems are
evaporator defrost incomplete:
Checking method as following:
Picture 1 Picture 2
As picture 1，it is the defrost fuse.
As picture 2 , using the multimeter measure two foots of fuse, if the value of resistance is 0000, it means normal.

Checking the Heater

If defrost system failure，checking the heater and the temperature fuse as well as wires.
Measuring temperature fuse and heater resistance about 324Ω then it is OK.( Brown and Blue)
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