Panasonic YC-300BP2YAF, Руководство по эксплуатации

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Troubleshooting
OMCTT5639E09
48
8.2 Troubleshooting table
* In the case of welding errors without any error (Err) indication, refer to the following table to search for their causes.
Error
condition

Front panel display is not turned on

Neither high frequency wave nor arc is gener -
ated.

High frequency wave is generated without arc.

Bead turns black.

Lack of arc occurs.

Insufficient arc start

No gas supply

Gas flows without stop
Check item Probable causes
Distribution box
(Input protection device)
• Switch is not ON.
• Blown fuse.
• Tripping of circuit breaker.
• Loose connections.
O O O
Input cable
• Cable is disconnected or severed.
• Loose connections.
• No phase.
O O O
Switches
• Switch is not ON. O O O
• “GAS” switch is placed to “Purge”. O
Gas cylinder and
Gas regulator
• Main cock is not open.
• Gas nearly runs short.
• Insufficient flow rate.
O O O O O
• Excessive flow rate. O O
Gas hose (From gas cylin -
der to torch.)
• Loose connections
• Hose is damaged.
O O
Torch cable
• Torch is bent at acute angle.
• Coating is damaged.
• Sign of insulation deterioration.
O O O
• Torch switch is not ON. O
Around the torch body
• Insufficient fastening of the collet.
• Sizes of collet body, collet and electrode
do not match.
• Insufficient fastening of the torch body.
O O
• Attach an earth ring ass’y. O
Cables on the base metal
• Insufficient cable size (sectional area.)
• Loose connections
• Poorly energized base metal.
O O O
Welding conditions
• Check torch angle, distance between
electrode and base metal once again.
O O O O
Factory settings
• Try to set “ Hot Cur Level ” to “High” O
• Try to set “ AR Arc Recovery ” to “ON”. O