Sevice Mode - Midea l712wmb16 Service Manual

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3.TROUBLESHOOTING

3.2 Sevice mode

Before entering into service mode, make sure no water remains in the inner drum, if not, select drain
only program to drain them out.
Turn on the machine and
Press
[K2]
or
[K3]
to select test program. Press
and start the selected test. If you want to go back to test selection interface, press the
cancel previous selection.
3.2.1 Version switchover (t01)
1) Enter into service mode, LED displays "t01"
2) Press
[K5]
button, LED displays "0xx".x means current version.
3) Press
[K4]
to confirm switchover.
4) Press
[K2]
or
[K3]
5) Press
[K4]
button continuously for 3s to confirm your change.
6) Press
[K5]
button to close all output and exit this program. LED displays "t01".
3.2.2 Error code checking (t02)
1) Enter into error code mode, LED displays "Err". Press
EXX(x=1,2,3....)
2) Press
[K2]
to show the last code and press
can be found in system, and same error code is recorded one time even if it occurs more than one time
3) If no error information found, LED shows E00.
4) Press
[K2]
and
[K3]
error codes records deleted, LED displays E00.
5) Press
[K5]
button to exit, LED display t02.
3.2.3 Version information checking (t03)
Version information checking is used to show the current version information stored in nonvolatile
memory applications.
1) Enter into service mode, LED displays "cod".
2) Press
[K5]
, LED displays project number.
3) Press
[K2]
button, LED displays version number.
4) Press
[K5]
to go back to version information checking status, LED display "t03".
3.2.4 UI Checking (t04)
1) Press
[K5]
button to illuminate the whole LED display.
2) Press
[K5]
button, the whole LED display flashes.
3) Press
[K5]
to stop flash, LED display "t04"
K1
take turns [K2] [K4] [K2] [K4] buttons
to change version.
button at the same time continuously for 3s, after hearing the beep, all the
K2
K3
in 30s.
[K5]
button to confirm your selection
[K5]
button and LED displays
[K3]
to show the next code. The latest 10 error codes
P.09
K4
K5
Start/Pause
[K5]
button to

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