Unique Klasse KUD-WC1113KUD-WD1117, Service Manual

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34
2. PRESSURE SWITCH
TROUBLE SITUATION CAUSE CHECK POINT SOLUTION
PCB
ERROR MODE
continuous
ly water
supply
"E9"
ERROR
inlet valve is normal,
but continuous water
supply
water level
frequence below
15kHz or over 30kHz
bellows problem
hose problem
clogged hose
connector slipped out
pressure switch broken
connector short
change the
pressure switch
change the hose
change the hose
remove the alien
reconnecting
change the
pressure switch "E2"
"E2"
"E2"
"E2"
"E9"
"E9"
"E9"
frequency Check : refer to below
frequency Check : refer to below
check the fine hole
check the hose condition
check the connector condition
frequency Check : refer to below
connector broken
Checking method of coil registance, harness, connector.
* E2 : overflow error ;Water level is higher than overflow level because of continuous water supply.
E9 : Pressure switch trouble, the frequency is less than 15kHz or more than 30kHz in the processing.
GROUND(GRAY)
INPUT SIGNAL(WHITE)
OUPUT SIGNAL
(PINK)
"12P" WHITE CONNECTOR