Water Supply - Whirlpool WWA-680 Service Manual

TROUBLE
b. Water Supply
Water does not
flow when the
power switch is
on and start
button is pressed.
Cushion
Filter
"magic" joint assembly
Water is not
supplied normally.
Note: When removing the flow sheet, reinstate the filter in place correctly.
Water does not stop
INSPECTION INSPECTION
Yes
Does humming
noise come on
from water
Valve?
No
Check water
pressure.
Does water stop
when the plug
Yes
is removed or
power switch is
OFF?
No
CAUSES
Something on the filter of
the water valve or
"magic" hose joint.
Poor connect of 6(4)-pin
connectors (blue& white).
Water valve is defective.
Water level sensor is
defective.
Control circuit board is
defective.
Low
High
Something in the air trap
hose or air leaks from a
part related water level
sensor system.
Water level sensor is
defective.
Control circuit board is
defective.
Something on the
diaphragm on the water
valve.
Diaphragm is deformed
4
REMEDY
Clean the filter.
Repair or replace.
Replace.
Replace.
Replace.
Remove the flow
sheet of the water
valve.
Replace the water
valve.
Clean the filter on the
water valve or
"magic" joint
assembly.
Replace the water
valve.
Clean or replace.
Replace .
Replace.
Replace or
disassemble the
valve and clean
the diaphragm
Replace
WWA-680