Happy HCS2-1201-30, Maintenance Manual

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Error and measure
When trouble occurred while the machine is running, error number and error item will be displayed. After confirming contents,
press key [OK] o 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 board. 4-1-1
002 Power source Power failure or abnormal voltage
004 System memory Trouble in system memory. Replace LCD-CE board. 4-1-1
015 Inverter trip Trouble in drive unit on main shaft. (1)Turn power off, turn main shaft by hand and
Overload on main shaft motor, if no trouble found, turn power on again.
damage in drive unit on main shaft. (2)If trouble found, repair where damaged.
(3)If inverter in trouble, replace. 4-3
(4)Check if voltage high or not. If high,check
origin of power source of factory.
Or use stabilizer, transformer to set to
rated voltage.
018 Main shaft Suspension of main shaft in mid way. (1)Check if trouble found between main shaft
and drive. If trouble found, restore.
(2)If recurred, find cause and fix.
(3)Make automatic speed setting again. 4-4-5
(4)If inverter in trouble, replace. 4-3
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 or potentiometer. 4-2-4
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 position detecting circuit related troubles.
board. (3)Replace sensor circuit board or potentiometer. 4-2-4
( ) ----- Reference instruction book