7
6. Remove four screws that are used to fix control
PCB box with the cabinet.
7. Disconnect all the wires and pull out the control
PCB box.
8. The upper zone senser is located in the following
position.
9. Press the plastic nail supporting the control PCB
with forefinger and thumb, pull the control PCB
upward,take away it ,then you can replace the
new control PCB.
10. The control PCB is such following figure.
11. Disjoin the claws of the display PCB fixing and take
out the display PCB.
12. The display PCB is such following figure.
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