SERVICE MANUAL
Model: HB21FC45N*
30
Issue 2010-07-05
Rev. Ref1007S019V0
4 - 6 are reserved for future use;
CON8
which connects the following components from left to right:
1 is for the light of the freeze cabinet. You can measure the working voltage of the light in the freeze
cabinet between this wire and the neutral wire;
2 connects the heating wire at the water inlet, of which the resistance can be measured between this
wire and the neutral wire.
3 connects the heating wire of the vertical mullion, of which the resistance can be measured between
this wire and the neutral wire.
4 is reserved for future use;
5 -6 are for the defrosting heating wire, of which the resistance can be measured between these two
wires.
CON9
1-2 is reserved for future use;
CON10:
1-
2 is reserved for future use;
3 is for the main valve of water supply. You can measure the working voltage between this wire and the
neutral wire (AC 220V);
4 connects the water inlet valve of the icemaker. You can measure the working voltage of the water
inlet valve between this wire and the neutral wire (AC 220V).
5 is reserved for future use;
6 connects the neutral wire of the power supply to the frequency conversion board;
CON11:
1 connects the live wire of the power board;
2 connects the live wire of the power supply to the light of the chill cabinet and the frequency
conversion board;
3 connects to the earth wire;
4 connects the neutral wire of the power board;
CON13
connects the live wire of the power cord;
CON14
connects the neutral wire of the power cord;
The group of connection wiresCON12
connects the low-voltage live wire on the power filtration
board, which is used for the following purposes from upper to lower:
1 - 2 connect to the earth wire;
3 - 4 provide DC 12V;
5 – 6 provide DC 16V;