![background image](http://html1.mh-extra.com/html/midea/mfl80-du1403b-c14e-eu/mfl80-du1403b-c14e-eu_service-manual_1791784010.webp)
10
2.2 Self-check
Push the buttons of function and pre-washing without loosening, in the meantime
screw the program knob to the position of cotton and keep 3s, then the program will
be in the state of self test. When the buzzer toots, all the indicating lights glitter 3
times ( pushing 0.5s, the 0.5s light is on and off), then the lights are on all the time.
When the knob screw to the following position in this time and push the button of
start/off, the test is effective.
1. Delay washing test (cotton normal water):the maximum inlet water time is 10s.
2. Main washing test(cotton 40℃): the maximum inlet water time is 10s.
3. Washing test(cotton 60℃): the maximum inlet water time is 10s.
4.Heating test(cotton 90℃): estimate whether the water level is 1, if not, adding
water to 1, then begin to heat in the maximum of 10 minutes.
5.Tub leaking test(speedy washing 30℃): estimate whether the water level is 1, if not,
adding water to 1, according to cycle of clockwise 10s-stop 2s-anticlockwise 10s to
test in the rotate speed of 250rpm (fault alarm E6/E7).
6. Drain test (single drain): if the water level is below 1, it is plus 40s (malfunction
alarm E3).
7. Dehydration (single dehydration): judge whether the water level is below 1, if not,
drain water until it is below the 1 plus 20s, then dehydrate in the maximum of
speed (unbalanced test is needless), the maximum time is 10 minutes(fault alarm E5).
NOTE:
1) The tests foregoing are reversible.
2) It is need to close the door lock before each test , or else the door clock is
malfunction alarm E1.
3) The knob can be screwed to every position, the corresponding test is valid once
pushing the start/pause button.
4) If the knob is not in the position of that test, there is not responsive.
Exit need to close the power.
2.3 Marketing-show (no-water testing)
Target: in order to display the washer’s operation in the supermarket, set up
display mode.
Operation program: push the fu pre-washing button and screw the knob
to 40℃, keeping 3 minutes, when the buzzer toot, it enter the sales display mode. In
the mode, the washer without and the heater without power, run the two minutes
standard cotton w washing program and three minutes dehydration program
after pushing the start/pause button, then stop, if you push the start/pause button
again, the operation repeat.
Exit need to cut off the power.
2 FACTORY PATTEN DETECTION