14
8
Trouble shooting(Malfunction of needle bar change)
7-2-9
Trouble Factor Cause of trouble and measure
Page
Head does not
Mechanical
1. Check lint or cloth is seized between
Lower Moving rail and Bearing.
move 1-1 Remove seized lint or cloth.
(E-021)
2. Check lint or waste is seized in gap of Moving Cam.
(E-022)
2-1 Remove seized lint or waste.
3. Effect by breakage of parts.
3-1 Repair broken place.
Operator 1. Check Stopper of Moving Head is removed.
1-1 Remove Stopper.
Uncontrollable
Mechanical
1. No problem in sensor circuit board ?
Move
1-1 Clean dust attached to sensor.
(E-024)
1-2 Replace sensor circuit board.
4-2-1
(E-025) 2. Needle number is not exactly recognized.
3-1 Check position of Photo interrupter on Needle bar change unit.
4-2-3
3. Breakage of Pulse Motor .
4-1 Replace Pulse Motor.
( ) ---Reference instruction book
Summary of Contents for HCH-701-30
Page 1: ...Maintenance Manual for Embroidery Machine HCH 701 30 Version 2 4 HappyJapan Inc ...
Page 132: ...128 Electrical connection diagram 5 ...
Page 133: ...129 Electrical connection diagrams 5 ...
Page 134: ...130 List of electrical connection diagrams 5 ...
Page 137: ...130c HCD81222 LCD CE MX 基板組 ...
Page 138: ...130d HCD8116 TP switch board ass y 3 82 7 32 7 387487 2487 ...