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REGULAR CHECK
Any live electrical parts touched may cause
fatal electric shock or serious burns. In order
!
WARNING
to prevent such personal accidents as electric
shock and burn, be sure to follow the instruc-
tions below
•
In order to ensure safety, the regular check must be completed by personnel
with professional competency or competent personnel
•
Before check, be sure to turn off the power supplies of this product, distribu-
tion 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
In order to prevent the semiconductor and P plate from being
!
WARNING
damaged by static, please follow the instructions below
•
Before touching the conductor of the cables and P plate inside the device, you
may remove the static in advance via touching the housing metal position wit h
your hand, etc
•
In order to maintain the performance of this product for a long time, the regular
check is required
•
Be sure to conduct the regular check very carefully, including the inspection and
cleaning of the product inside
•
The regular check should be generally conducted once every 6 months. (How-
ever, if much fine dirt exists in the welding place, or much oily smoke and fume
exists there, the regular check should be conducted once every 3 months)
EN
Rev. 02.03.2017
60
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 accumu-
lated 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 dam-
age 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
8. TROUBLES AND TROUBLESHOOTING
TROUBLES AND TROUBLESHOOTING
Any live electrical parts touched may cause fatal
electric shock or serious burns. In order to pre-
!
WARNING
vent such personal accidents as electric shock and
burn, be sure to follow the instructions below
•
Troubleshooting must be completed by personnel with professional competen-
cy or competent personnel
•
Before operation, be sure to turn off the power supplies of this product, dis-
tribution 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
•
When the power is automatically off, never power on again. Be
sure to contact the supplier
!
•
The power switch is a circuit breaker. In case of over-current
Caution
due to whatever reason, the power will be automatically off;
never power on again (power-on is rather dangerous before
the trouble causing over-current has not be removed).
Rev. 02.03.2017
EN
61
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