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TABLE OF ERROR CODES, Upper shaft motor-related errors

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10. TABLE OF ERROR CODES Code E050 E051 E055 E065 Cause Remedy Page Machine head tilting was detected immediately before the sewing machine started operating. Turn off the power, and then return the machine head to its original position. Check that safety switch connector P14 on the main P.C. board is properly connected. 10* Turn off the power, and then return the machine head to its Machine head tilting was detected while original position. the sewing machine was operating. Check that safety switch connector P14 on the main P.C. 10* board is properly connected. Turn off the power, and then return the machine head to its Machine head tilting was detected when original position. the power was turned on. Check that safety switch connector P14 on the main P.C. 10* board is properly connected. An operation panel key was still being Turn off the power and check the operation panel. pressed when the power was turned on, * or key is faulty. Upper shaft motor-related errors Items with a "*" in the "Page" column should only be handled by a qualified technician. Code Cause Remedy Page Turn off the power, and then open the slide cover. Align the mark (A) on the pulley within the edges of the mark (B) on the motor cover. Pulley is not in needle up stop position E110 during standby when work clamp is * lowered. E111 E112 E113 E130 E131 4886M The sewing machine could not stop Turn off the power, and then check that there are no correctly at the needle up stop position problems with the cutter mechanism, the thread trimming * after sewing. mechanism and the upper shaft motor mechanism. Turn off the power, and then turn it back on again. The needle bar dropped during home * If this error occurs when the work clamp is not lowered, position detection or while the SD card the work clamp will drop automatically in order to - was being accessed. prevent interference between the needle and the lower thread retainer. Turn off the power, and then open the slide cover. Align the Pulley is not in needle up stop position mark (A) on the pulley within the edges of the mark (B) on during standby when work clamp is not the motor cover. (Refer to the diagram for "E110" above.) * lowered. * If this error occurs, the work clamp will drop automatically in order to prevent interference between the needle and the lower thread retainer. Turn off the power, and then open the slide cover. Turn Upper shaft motor stopped due to a problem, or synchronizer is faulty. the pulley to check if the machine has locked up. Check that the upper shaft motor 4-pin (UVW) connector and synchronizer connector P11 on the motor P.C. board * 11* are properly connected. Turn off the power, and then check that synchronizer Synchronizer is not connected correctly. connector P11 on the motor P.C. board is properly 11* connected. HE-800B 72

Section	Page
COVER	1
SAFETY INSTRUCTIONS	3
[1] Safety indications and their meanings	3
[2] Notes on safety	4
[3] Warning labels	6
CONTENTS	8
1. NAMES OF MAJOR PARTS	10
2. SPECIFICATIONS	11
2-1. Specifications	11
2-2. Standard sewing pattern list	12
3. INSTALLATION	13
3-1. Table processing diagram	13
3-2. Installing the control box	14
3-3. Installing the flange nut	15
3-4. Installing the bed base	15
3-5. Installing the machine head	16
3-6. Installing the head rest	16
3-7. Installing the operation panel	17
3-8. Installing the oil stopper plate	18
3-9. Connecting the cords	18
3-10. Connecting the ground wire	21
3-11. Installing the treadle connecting rod	22
3-12. Installing the cotton stand	23
3-13. Installing the eye guard	23
3-14. Lubrication	24
3-14-1. Lubricating the bed base	24
3-14-2. Lubricating the arm	24
3-14-3. Lubricating the rotary hook	25
3-15. Connecting the power cord	25
3-16. Checking the safety switch	28
3-17. Installing the motor cover	28
3-18. Installing the auxiliary table	29
4. PREPARATION BEFORE SEWING	30
4-1. Installing the needle	30
4-2. Threading the upper thread	31
4-3. Winding the lower thread	33
4-4. Installing the bobbin case	34
4-5. Thread tension	35
4-5-1. Lower thread tension	35
4-5-2. Upper thread tension	36
4-5-3. Thread take-up spring height	37
4-5-4. Thread take-up spring tension	37
4-5-5. Adjusting arm thread guide	37
5. USING THE SEWING MACHINE (OPERATION PANEL: BASIC OPERATION)	38
5-1. Name and function of each operation panel item	38
5-2. Starting the sewing machine	40
5-3. Operating the treadle	41
5-4. Program setting method	42
5-4-1. Parameter list	44
5-4-2. Setting the length of the hole	50
5-4-3. Buttonhole sewing size	50
5-4-4. Main restrictions when setting parameters	50
5-5. Rear tack vector shape programs	51
5-6. Underlay programs	52
5-7. Cutter operation	53
5-8. Copying programs	54
6. USING THE SEWING MACHINE (SEWING OPERATION)	56
6-1. Automatic sewing (Automatic sewing mode)	56
6-2. Test feeding mode	57
6-3. Using the STOP switch	59
6-3-1. Pausing sewing during automatic sewing	59
7. USING THE SEWING MACHINE (OPERATION PANEL: ADVANCED OPERATION)	61
7-1. Using cycle programs	61
7-2. Setting memory switches	64
7-2-1. List of memory switch settings	65
7-3. Resetting the data (initialization)	66
7-4. Changing the lower thread counter setting	67
7-5. Changing the production counter setting	68
7-6. Displaying the help screen	69
8. CLEANING	70
8-1. Cleaning	70
8-2. Draining the oil	71
8-3. Cleaning the control box air inlet port	71
8-4. Cleaning the eye guard	72
8-5. Checking the needle	72
8-6. Cleaning the length feed plate	72
9. STANDARD ADJUSTMENTS	73
9-1. Adjusting the needle bar height	73
9-2. Adjusting the needle and hook timing	74
9-3. Adjusting the clearance between needle and hook tip	75
9-4. Adjusting the inner rotary hook and rotary hook holder overlap	75
9-5. Adjusting the work clamp pressure	75
9-6. Adjusting the cutter installation	76
9-7. Adjusting the installation height of the upper thread trimmer	77
9-8. Adjusting the upper thread trimmer opening timing	78
9-9. Adjusting the lower thread clamp timing	79
9-10. Adjusting the bobbin presser	79
10. TABLE OF ERROR CODES	80
11. TROUBLESHOOTING	86
11-1. Upper thread breakage	86
11-2. Skipped stitches	87
11-3. Uneven seams (1) …… At the sewing start	89
11-4. Uneven seams (2) …… Lower thread is lifted up at the sewing start	90
11-5. Uneven seams (3) ……Seam lifts up at the sewing start	90
11-6. Uneven seams (4) …… Uneven sewing pitch at the sewing start	91
11-7. Uneven seams (5)……Poor rounding of seam	91
11-8. Uneven seams (6) …… Around rear tack or front tack	91
11-9. Uneven seams (7) …… Loose thread end at end backtack	91
11-10. Uneven seams (8) …… Thread sticking out at end backtack	92
11-11. Uneven seams (9) …… Sticking in needle plate	92
11-12. Uneven seams (10) …… All stitches	93
11-13. Upper thread run out	94
11-14. Unraveling of thread trimmed by upper thread trimmer assembly	96
11-15. Upper thread miss-trimming	97
11-16. Needle strikes upper thread trimmer	98
11-17. Needle breakage	99
11-18. Imperfect cutter function (imperfect material cutting)	100
11-19. Cutter does not return	100
11-20. Cutter and upper thread trimmer touch	101
11-21. Seam is cut	101
11-22. Upper thread miss-winding	102
11-23. Work clamp is not raised (1)…… Pulse motor stepping sound cannot be heard	102
11-24. Work clamp is not raised (2)…… Pulse motor stepping sound can be heard	103
11-25. Lower thread is not trimmed (pulls when material is removed)	104
11-26. Feed mechanism does not operate or motor is out of step	104
11-27. Needle does not zigzag or noise occurs when needle zigzags	105
11-28. Sewing machine stops during sewing	105
11-29. Upper shaft does not rotate as far as the needle up stop position	105
11-30. Operation panel display freezes and operation is not possible	105

Match case Limit results 1 per page

10. TABLE OF ERROR CODES

HE-800B

Code

Cause

Remedy

Page

E050

Machine

head

tilting

was

detected

immediately before the sewing machine

started operating.

Turn off the power, and then return the machine head to its

original position.

Check that safety switch connector P14 on the main P.C.

board is properly connected.

10*

E051

Machine head tilting was detected while

the sewing machine was operating.

Turn off the power, and then return the machine head to its

original position.

Check that safety switch connector P14 on the main P.C.

board is properly connected.

10*

E055

Machine head tilting was detected when

the power was turned on.

Turn off the power, and then return the machine head to its

original position.

Check that safety switch connector P14 on the main P.C.

board is properly connected.

10*

E065

An operation panel key was still being

pressed when the power was turned on,

or key is faulty.

Turn off the power and check the operation panel.

Upper shaft motor-related errors

Items with a “*” in the “Page” column should only be handled by a qualified technician.

Code

Cause

Remedy

Page

E110

Pulley is not in needle up stop position

during standby when work clamp is

lowered.

Turn off the power, and then open the slide cover. Align

the mark (A) on the pulley within the edges of the mark (B)

on the motor cover.

E111

The sewing machine could not stop

correctly at the needle up stop position

after sewing.

Turn off the power, and then check that there are no

problems with the cutter mechanism, the thread trimming

mechanism and the upper shaft motor mechanism.

E112

The needle bar dropped during home

position detection or while the SD card

was being accessed.

Turn off the power, and then turn it back on again.

If this error occurs when the work clamp is not lowered,

the work clamp will drop automatically in order to

prevent interference between the needle and the lower

thread retainer.

–

E113

Pulley is not in needle up stop position

during standby when work clamp is not

lowered.

Turn off the power, and then open the slide cover. Align the

mark (A) on the pulley within the edges of the mark (B) on

the motor cover.

(Refer to the diagram for “E110” above.)

* If this error occurs, the work clamp will drop

automatically in order to prevent interference between

the needle and the lower thread retainer.

E130

Upper shaft motor stopped due to a

problem, or synchronizer is faulty.

Turn off the power, and then open the slide cover. Turn

the pulley to check if the machine has locked up.

Check that the upper shaft motor 4-pin (UVW) connector

and synchronizer connector P11 on the motor P.C. board

are properly connected.

11*

E131

Synchronizer is not connected correctly.

Turn off the power, and then check that synchronizer

connector P11 on the motor P.C. board is properly

connected.

11*

4886M