turned completely to the left.
③ The fuse (F1) is disconnected.
3) The travel switch (TRAVEL) (S3) is turned "ON", but the cart does
not move.
① The 4P plug of the travel electromotor is not connected.
② The fuse (F2) is disconnected.
4) The magnetic contactor switch (CONTACTOR) is turned "ON", but
the feeding electromotor does not start.
(In case that ARC voltmeter does not move)
① Welding cable is not connected.
② Lead line for ARC voltage is disconnected.
③ The magnetic contactor is not working.
(In case when the ARC voltmeter is still moving)
④ Wire inching S/W is turned to the inching.
⑤ The fuse (F1) is disconnected.
5) Unstable ARC voltage (Short circuit, opening, changing)
① The selections for voltage, current, and wire are not appropriate.
② TIPs are not appropriate for wire.
③ TIP is worn, making a large hole.
④ The feeding roll and the wire diameter do not match.
⑤ The feeding roll is slipping.
Summary of Contents for Longrun 25CA
Page 1: ...25CT CA Operation Manual...
Page 16: ...5 STOP Press the STOP button...
Page 46: ...8 Wire feeding and carriage motor driving circuit...
Page 47: ......
Page 51: ...9 Component lists 9 1 CARRIAGE MAIN BODY ASS Y...
Page 53: ...9 2 CARRIAGE DRIVING GEAR ASS Y...
Page 55: ...9 3 CARRIAGE CLUTCH ASS Y...
Page 64: ...10 DC AC Welding carriage electric wiring diagram Longrun 25CT...