5-4. Components Check
5.Reference Information
Door Lock S/W Water Level Sensor Water Valve
1.Check the door switch
resistance.
2.Check the resistance after the
power is off.
3.The resistance across No.1
and No.3 of the Door Lock
Switch must be
approximately 40 to 57Ω.
1.Check the water level sensor
frequency.
2.Check it after the water level
sensor and the connector
are connected.
3.Frequency: Approx. 26.4 kHz
with no load.
1. Check the resistance for the
water supply valve.
Resistance : 1.0k to 1.2kΩ
2. Check whether there is foreign
material in the water supply valve
diaphragm.
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