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6.9 Defrost heater
Rated voltage:AC220V
Rated power:220W
6.9.1 Basic parameters
6.Circuit and checking
6.9.2 Checking method
1.Enter compulsory defrost mode,use a multimeter to measure
the voltage between pin No.1 and No.9 on XP7 connector of the
mainboard,if the voltage doesn’t equal to electric supply power,it
means the heater is broken,change it.
2.Check the fuse is well or not,refer to “6.8 Temperature fuse”chapter.
3.Use a multimeter to measure resistance of the heater,if the value
isn’t 220Ω±5 % ,it is broken,change the heater.
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