1
46
Trouble shooting(Malfunction of thread break detection)
7-2-7
Trouble Factor Cause of trouble and measure
Page
Malfunction
of
Mechanical
1. Check circuit board.
thread break
1-1 Replace of CONT-J board ass'y.
detection
1-2 Replace of TC 7 board.
(not detected) Operator
1. Is thread tension proper?
(slow detected) 1-1 Observing sewing rhythm, adjust to proper thread tension.
(4-5) (8-1)
(Adjust it little bits stronger.)
2. Is proper detecting sensitivity of thread cut selected?
(15-1)
2-1 In case of being not detected, make [thread cut detection] setting to [yes].
2-2
Select detection sensitivity of thread cut according to sewing condition of thread and cloth etc.
( ) ---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 ...