HappyJapan HCH-701-30, Maintenance Manual

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Error and measure
7-3- 2
When trouble occurred while the machine is running, error number and error item will be displayed. After confirming contents,
press key [ENT.] on control box to release error, then restore in accordance with measure in this list.
No. Message Error Measure Page
001 Circuit board Trouble detected in control circuit board. (1)Turn power off once and turn on again.
(2)If recurred, replace LCD-CE-U board ass'y.
004 System memory Trouble in system memory. Replace LCD-CE-U board ass'y.
018 Main shaft Suspension of main shaft in mid way. (1)Check if trouble found between main shaft
and drive. If trouble found, restore. (25-1)
(2)If recurred, find cause and fix. (25-2)
(3)Make automatic speed setting again. Initializing
020 Needle detect Needle position not detected. (1)Turn needle selection cam by hand to set to
Trouble in stop position of needle regular position
.
selection unit.
(2)Fix needle selection related mechanical trouble.
(3)
Replace sensor circuit board. 4-2-3
021 Needle move Suspension of needle selection motor (1)Turn needle selection cam by hand to set to
022 in mid way. regular position.
Trouble in take-up lever hinders.
(2)
Fix needle selection related and take up lever
Trouble in sensor circuit board related troubles.
(3)
Replace sensor circuit board. 4-2-3
024 Needle center Stop position of needle bar is off center (1)Turn needle selection cam by hand to set to
regular position.
(2)If trouble occurs repeatedly, fix mechanical
trouble in needle selection & its vicinity.
025 Needle over Specified needle number went beyond Adjust position of needle selection cam and
needle number of the machine. Photo interrupter on Needle bar change unit. 5-5-1
026 Needle differ
As needle number differed from memory
(1)Turn power off once and turn on again.
when power turned on, it was renewed. (2)
Let the machine recognize needle number. 5-5-1
( ) ---Reference instruction book