164
11-2-3 Trouble shooting (Erroneous thread cut)
Trouble Factor Cause of trouble and measure
Page
Erroneous
Mechanical
1. Is thread cut timing proper?
thread cut 1-1 Set timing to specified value.
3-6-1
(E-190)
2. Isn't rubbing of fixed knife and moving knife weak?
(E-193)
2-1 Adjust to be able to rub properly.
3-6-4
3. Does moving knife make smooth move?
3-1 Check if rubbing of moving knife and fixed knife is not too strong.
3-6-4
3-2 Check no loosening of screw on moving knife. 3-6-2
3-3 Check no damage or scratch on face of moving knife.
4. Check Displace of moving knife.
4-1 Adjust of moving knife position. 3-6-5
5. Check defacement of moving knife or fixed knife.
5-1 If possible, furnish with file. 3-6-4
5-2 Replace
3-6-2
6. No backlash in up and down direction of knife drive shaft?
3-6-2
6-1 Check no loosening of screw on moving knife.
6-2 Check no loosening of screw on knife drive shaft.
7. No backlash in fixed knife?
3-6-4
7-1 Check no loosening of screw on fixed knife.
8. Does thread cut pulse motor work properly?
8-1 Check cable.
8-2 If trouble found in LCD-CE board or CONT-D2 board, replace. 4-2
8-3 If trouble found in thread cut pulse motor, replace.
8-4 Adjust of thread cut sensor position. 3-6-1
9. Is number of revolution proper at time of thread cut?
9-1 Make automatic speed setting.
7-4
9-2 If trouble in LCD-CE board or CONT-D2 board, replace. 5-2, 4-3
10. Is there no skipped stitch?
10-1 Adjust needle depth.
3-3-6
10-2 Adjust clearance between needle and rotary hook.
3-5-1
10-3 Is height of pressure foot proper?
3-2-10
10-4 Is rotary hook timing proper?
3-5-1
10-5 Is relation between needle and thread proper? 3-1-4
( ) ----- Reference instruction book
Summary of Contents for HCD2-1501-40
Page 1: ...Maintenance Manual for Embroidery Machine HCD2 1501 40 Version 2 3 HappyJapan Inc ...
Page 10: ...10 HSA90311 Shell alvania EP Grease2 100g Page 31 33 36 M0404342 Needle height gauge Page 52 ...
Page 150: ...143 10 1 Electrical connection diagram before Rev A for LCD CE board 1 3 ...
Page 151: ...144 10 1 Electrical connection diagram before Rev A for LCD CE board 2 3 ...
Page 152: ...145 10 1 Electrical connection diagram before Rev A for LCD CE board 3 3 ...
Page 153: ...146 10 2 Electrical connection diagram before Rev A for LCD CE U LCD CE MX board 1 4 ...
Page 154: ...147 10 2 Electrical connection diagram before Rev A for LCD CE U LCD CE MX board 2 4 ...
Page 155: ...148 10 2 Electrical connection diagram before Rev A for LCD CE U LCD CE MX board 3 4 ...
Page 156: ...149 10 2 Electrical connection diagram before Rev A for LCD CE U LCD CE MX board 4 4 ...
Page 157: ...149a 10 2a Electrical connection diagram Rev A 1 4 ...
Page 158: ...149b 10 2a Electrical connection diagram Rev A 2 4 ...
Page 159: ...149c 10 2a Electrical connection diagram Rev A 3 4 ...
Page 160: ...149d 10 2a Electrical connection diagram Rev A 4 4 ...
Page 161: ...150 10 3 Connection of inverter Inverter set Inverter set ...
Page 165: ...153 HCD8116 TP SW Circuit Board Ass y HCD8124 TC8 7 Circuit Board Ass y Rev A ...
Page 166: ...154 HCD8119 y ...
