Samsung RSG5D series - Water Not Supplied

84
TROUBLE SHOOTING
4-2-16) If Water is not supplied
Start
MAIN PBA normal
-- Need to check the other parts
Check the wire between water valve
MAIN PBA
Ice water valve itself has trouble or bad
contact of connector
Check the connection hose
Check the operation between Panel PBA
and MAIN PBA for Communication.
Normal(Check Ice
water valve hose)
YES
Replace Valve
NO
1) Check the dispensing lever
2) Check switch unit/ wiring
connection
3) Replace PBA
NO
Check soldering
short/Replace PBA
NO
NO
YES
YES
YES
YES
YES
Is the confirming
sound of the valve operation heard
when dispenser switch
pushed?
Is the valve unit normal?
Is the voltage of
CN50 #7 changed 0V~5V according to
switch On/Off?
Does Main PBA
IC73 #3 have about 5V input when
switch is on?
Check soldering
short/Replace PBA
NO
Does Main PBA IC73 #14
have about 0.7V output when
switch is on
Check soldering
short/Replace PBA
NO
Is the contact point of main
PBA RELAY RY7B normal?