68
Rev. 02.03.2017
Rev. 02.03.2017
Check contents
In addition to the check items below, the user may add more check items according
to his/her actual situation.
•
Remove dust inside
•
Remove the cover, remove the dirt or foreign matters hard to be blown
away. Use the compressed air without water contained (dry air) to blow the
accumulated dust inside away.
Routine Check
•
Remove the cover and be sure to pay attention to the check on the following
items and non-routine items.
•
Check if there is rare odor, fading or overheat damage traces and the connection
points are loose.
Cable Check
•
Please mainly check such non-routine check items (supplementary fastening, etc)
as the earth wire, cables, etc.
19. TROUBLES AND TROUBLESHOOTING
Any live electrical parts touched may
cause fatal electric shock or serious
burns. In order to prevent such personal
accidents as electric shock and burn, be
sure to follow the instructions below:
•
Troubleshooting must be completed by personnel with professional
competency or competent personnel.
•
Before operation, be sure to turn off the power supplies of this product,
distribution box (user‘s equipment), related devices (external devices
connected with the input terminal); and due to the discharge of the capacitor,
be sure not to operate until the welding power supply is turned off for at least
5min.
WARNING
!
68
Check Items in case of Welding Accidents
TROUBLES
SOLUTIONS
The power indicator off,
the fan not working and
no welding output
•
The power switch is broken.
•
Check if the power gird the input cable is connected
to is live.
•
The power plate is faulty and no voltage output at
DC310V.
a. Open circuit of silicon bridge or poor
patch cord touch.
b. Burnt places occur on the power
plate.
c. Check if the patch cords from the
switch to the power plate and from
the power plate to the inverter plate
are touched properly.
d .The thermistor of the power plate is
damaged (generally caused by the un-
closing of the DV24V relay).
•
The auxiliary power on the control panel is faulty.
The fan working, the
fault indicator off, no HF
discharge rustling, and arc
striking ineffective
•
Check if all plug-in cables inside the device are in
good contact.
•
Maybe control circuit problem. Check the reason or
contact the distributor.
•
The control line on the welding gun is broken.
The fault indicator
off, HF discharge
rustling, no welding
output
•
The welding gun cable is broken.
•
The earth cable is broken or is not connected to the
welded workpiece.
•
The positive output terminal or the welding gun
pneumoelectric output terminal is loose from the
connection point inside the device.
69
EN
EN
