Haier HM-07C03/R1 [12/21] Ífiãæ 11

Haier HM-07C03/R1 [12/21] Ífiãæ 11
Page 19 Page 20
THE FUNCTION OF ELECTRIC CONTROL CONTROL INTRODUCTION
Flow chart for operation
Switch on power and test
Delay for 20 ms
Initialize the RAM
I/O port and special register
Load the subprogram of LCD display
(including blade,Mode,Fand sleep,Timing and Temperature)
Load the subprogram of keyboard processing
Load the subprogram of fast-test concluding
Perform the conclusion processing to show if the water
is full and if it passes for 3 minutes.
Load the subprogram of time handling,which
requires precision within one second (Such as restarting
the compressor after 3 minutes delaying etc.)
Load the subprogram of time handliing which requires
precision within one minute (such as the Timing on/off,
sleep,etc)
Handle it as switching
off power
Return to the major
Loop
Judgement and processing of the key
value
Load the subprogram of I/O sampling and process
the sampling data.
The buzzer rings twice
The LCD displays the whole screen for
2 seconds
Clear the LCD screen
Have10
ms
passed?
Have 25
ms
passed?
Hsa one
second passed?
Hsa one
second passed?
Is there
something wrong with
the temperarure
sensor?
Has the
water been full ofr
3 minutes?
N
N
N
N
Y
Y
Y
The major loop

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