Baby Lock Jewel BL J18 Manuale delle Istruzioni Scaricare il pdf (Pagina 29)

If you hear a constant beep or no beep at all for a full

360° rotation of the handwheel, this indicates a failed

test and the machine should be inspected by a qualied

Baby Lock repair technician.

Press the “Main” button to return to the “Regulated” or

“Manual” menu screen or the “Back” button to return

to the “More” menu screen.

X Motion Sensor Test

Use the X Motion Sensor test to verify functionality of

the “X” stitch regulator encoder (the encoder mounted

at the rear of the carriage). As you slowly move the

carriage le and right you should hear a pulsing “beep”

that pulses faster as you move faster. A solid beep, no

beep, or periods of irregular beeping (with constant

motion) indicate a problem with the Carriage Stitch

Regulator Assembly (X-Motion). e most likely

cause of a problem is a stitch regulator wheel that is not

making consistent contact with the track. Check the

spring tension on the sensor assembly on the carriage

to assure that it will easily return to the fully extended

position aer being compressed. Also assure that the

track is straight with no dips or indentations and that

it is clean and free of contamination. Other causes are

an unplugged or damaged cable or possibly an issue

with the main control board. (Figure 36)

Press the “Main” button to return to the “Regulated” or

“Manual” menu screen or the “Back” button to return

to the “More” menu screen.

Motor Speed Sensor Test

e “Speed” Sensor test can help you determine

whether or not there is a problem with the Baby Lock

Crown Jewel speed sensor. Before performing this test,

remove the bobbin case and the top thread. Press the

“Start” button and the handwheel and needle bar will

begin moving slowly rotating. e white box will show

a number that should stabilize at 100 if the sensor is

functioning properly. Pressing “Start” again will stop

the machine. (Figure 37)

Press the “Main” button to return to the “Regulated” or

“Manual” menu screen or the “Back” button to return

to the “More” menu screen.

Figure35

Figure36

Main

Diagnostics

Back

X-Motion Sensor Test

Slowly push left and right.

Pulsing beep, increasing in frequency

as you push the machine faster.

No beep or solid beep as you move

the machine left and right.

Passing Test:

Failing Test:

Figure37

Main

Diagnostics

Back

Motor Speed Sensor Test

The value stabilizes at 100.

Passing Test:

Remove bobbin case and top thread.

Clear all objects from the needle area.

Press Start/Stop on Handle.

100

Solid beep for 1/3 of a stitch cycle,

no beep for the rest of the cycle.

Main

Diagnostics

Back

Needle Sensor Test

Rotate the hand wheel.

Solid beep for 1/3 of a stitch cycle,

no beep for the rest of the cycle.

No beep or solid beep as you rotate

the hand wheel one full revolution.

Passing Test:

Failing Test:

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Baby Lock Jewel BL J18 Manuale delle Istruzioni Pagina 29

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