Hanseatic WQP12-7311D Technical & Service Manual page 31

E4
Overflow
Is there any water on
the bottom board?
Some
water
Make sure consumer use
the proper detergent and
rinse
OK
Make a check of
Drain Hose
OK
Model with Pressure
Switch(83/63)
Model with
Flowmeter
Check whether the
Flowmeter circuit is correct
or not. (mentioned in
section 4)
Check whether the
Pressure Switch(83/63)
circuit is correct or not.
Correct
Maybe there is a real
leakage
Do as follows
Remove two side panels
Remove the water from the bottom board and make sure there is no water at the bottom board.
Restart the dishwasher with a strong or standard wash program as a leakage could easily repeat at a higher temperature and after a long period
of running time.
Observe the bottom tray every twenty minutes.
If any water appears, you will found out which areas, such as motor, drain pump, sump, softener, and hoses between them, and also clips at the
end of each hose, besides the weld seam at the bottom of the tub.
If hours passed, but no water comes out, you should stop the dishwasher with sufficient water in the inner tub, and observe it again after leaving
it alone for one to two hours.
Make a check of
No water
Flooding Switch
circuit(normally closed)
Improper
Give advice
Failure
Drain Hose is kinked
or blocked
Reconnect the wire of
Not
Flowmeter circuit and
check again
Still wrong
Reconnect the wire of
Not
Pressure Switch circuit
and check again
Still wrong
E4 tree
Reconnect the wire of
Failure
Flooding Switch circuit
and check again
Still wrong
Check whether Flooding
Switch is blocked or not
Failure
Correct
Solve the problem
OK
solve the problem
Replace the
Flowmeter to solve
problem
OK
solve the problem
Replace the
Pressure Switch to
solve problem
Inspection
->
OK
solve the problem
Blocked
Repair or Replace it
to solve problem
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