Part name
Funtion
The defeat point
Check
part
machine
Water Inlet Valve
The inlet valve is electromagnetic valve that decide whether water enter or not. Valves are
normally closed. Each time the appliance requires water, the controller will convey an
electric signal to the coils to open the valve.
The inlet valve consists of electric coil, valve body, valve pole, filter etc.
In a word, the electromagnetic valve can act to allow water enter into machine, when it
receives the order given by controller.
1. The valve coil is broken, so the valve can’t open. It will cause the E1 error.
2. The filter is jammed, so water can’t enter. It will cause the E1 error.
3. The connector is loose, so the valve can’t open. It will cause the E1 error.
4. The valve pole is rusted or locked by dreg, so the valve can’t open or close. It will cause
the E1 or E4 error.
Check electric part
1.Open the protecting box and take out the PCB(see the section “Part Name PCB”);
2.With the door closed, unplug the CON3 and ACN wires,
then use the multi-meter
Ω
shelf to measure resistance
between the blue wire (PS) and the blue wire(ACN), the
normal resistance is about 4.4K
Ω
to 4.8K
Ω.
3.If the measured resistance is not correct, it means the
valve coil is broken or the connector is loose. In this
case, we should check the connection first. If the
problem hasn’t been solved by re-connection, we should
replace the valve.
4.If the resistance is OK, we need to inspect the valve
body.
PS
EV1
1. If the electric part is OK, we need to check the machine part.
2. Check the valve filter. if the valve filter is blocked, we need clear the residues.
3. If the valve filter is clear and the valve can’t inlet water, check whether valve can act or
not. If it isn’t , we need replace the valve.
4. If the water is continue entering, we need replace the valve.
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