Expondo Stamos S-DIGITRON 200P Manuel D'utilisation page 35

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
!
WARNING
• 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.
EN
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:
Rev. 02.03.2017
68
68
Check Items in case of Welding Accidents
TROUBLES
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.
The power indicator off, b. Burnt places occur on the power
the fan not working and plate.
c. Check if the patch cords from the
no welding output
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.
•
Check if all plug-in cables inside the device are in
•
The fan working, the
good contact.
fault indicator off, no HF
Maybe control circuit problem. Check the reason or
•
discharge rustling, and arc
contact the distributor.
striking ineffective
The control line on the welding gun is broken.
•
The welding gun cable is broken.
•
The fault indicator The earth cable is broken or is not connected to the
•
off, HF discharge welded workpiece.
rustling, no welding The positive output terminal or the welding gun
•
pneumoelectric output terminal is loose from the
output
connection point inside the device.
Rev. 02.03.2017
EN
SOLUTIONS
69