Janome MC6700P Service Manual page 47

1. Function of buzzer, LCD and LED
2. Function of keys
Step2
Check key
01 02 03 04 05 06 07 08 09 10 11 12
13 14 15 16 17 18 19 20 21 22 23 24
25 26 27 28 29 30 31 32
Key
02 03 04
01
05 06 07 08 09 10
30
29
31
32
14 15 16
19 20 21
22
25
17 28 18
Correct condition
1. Buzzer sounds
2. LCD and LED blink at 1 second
interval.
3. Sewing light turns on.
Press the start/stop key to proceed
to the next step.
Correct condition
Press all of the keys in order.
Each time a key is pressed, the
buzzer sounds, the number is
marked and the name of the key
appears on the LCD.
Press the start/stop key to proceed
to the next step.
11 12
13
23
24
26
27
45
Faulty condition
Buzzer does not sound.
The step 1 screen does not appear.
LED of the start/stop key does not
blink.
LCD backlight does not turn on.
Sewing lamp does not turn on.
To adjust or replace a part:
Change the LED.
Change the board K.
Change the LCD.
Change the board F.
Change the board A.
Faulty condition
Buzzer does not sound.
The screen does not change.
To replace a part:
Change the board F.
Change the board K.
Change the board A.