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TROUBLESHOOTING
HOW TO USE TROUBLESHOOTING GUIDE
This Troubleshooting Guide is provided to help you locate and re-
pair possible machine malfunctions. Simply follow the three-step
procedure listed below.
Step 1. LOCATE PROBLEM (SYMPTOM).
Look under the column labeled "PROBLEM
(SYMPTOMS)". This column describes possible symptoms that
the machine may exhibit. Find the listing that best describes the
symptom that the machine is exhibiting.
OBSERVE ALL SAFETY GUIDELINES DETAILED THROUGHOUT THIS MANUAL
Type
Alarm
Display error code
Over-heat
Under
Display error code
-voltage
sound
Over
Display error code
-voltage
Display
Abnormal
error code
Step 2. POSSIBLE CAUSE.
The second column labeled "POSSIBLE CAUSE" lists the obvi-
ous external possibilities that may contribute to the machine
symptom.
Step 3. RECOMMENDED COURSE OF ACTION
This column provides a course of action for the possible
cause, If you do not understand or are unable to perform the
Recommended Course of Action safely, contact YESWELDER
support@yeswelder.com.
Error Code
Welder Reaction
Temporary close of
E-1
main circuit
Permanently close
main circuit and
E-2
need to restart the
machine
Permanently close
main circuit and
E-3
need to restart the
machine
Permanently close
E-4
main circuit
46
Reason
Do not power off; restart welding
Over-working
when the overheat indicator stop
of main circuit
lighting up.
Please restart the welder; if
warning still remains, If there is a
c o n t i n u o u s p o w e r g r i d
Power grid
undervoltage, please wait and
under-
restart welder when the power
voltage(lower
grid is back to normal. If power
than 96VAC)
grid voltage is normal but with
undervoltage warning, please
c o n t a c t p r o f e s s i o n a l
maintenance personnel.
Please shut off the welder and
restart. If there is a continuous
power grid overvoltage, please
Power grid
wait and restart welder when the
over
power grid is back to normal. If
voltage(more
power grid voltage is normal but
than 265VAC)
with overvoltage warning, please
c o n t a c t p r o f e s s i o n a l
maintenance personnel.
Load current is
too big or main
Pleas restart welder. If the
power device
warning still remains, please
is under over-
c o n t a c t p r o f e s s i o n a l
current
maintenance personnel.
protection.
Solutions
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