Tweco 300 ACDC Arcmaster User Manual
Page 57
51
Description
Possible
Cause
Remedy
Remarks
5 E11 error code
displayed
Over Primary supply
(input) voltage at
primary capacitors
is exceeded for
one second.
Primary supply
voltage is greater than
the nominal voltage
plus 10%.
Have an accredited
Thermal Arc Service
Agent or a qualified
electrician check the
Primary voltage.
Weld current ceases.
Buzzer sounds
constantly.
Error code E11
automatically will
reset when the
voltage reduces.
6 E14 error code
displayed
Under mains supply
(input) voltage
warning primary
capacitors is reduced
for one second.
Mains supply voltage
is less than the
nominal operating
voltage less 10%.
Have an accredited
Thermal Arc Service
Agent or a qualified
electrician check the
Mains voltage.
Weld current available.
Buzzer sounds
intermittently.
Error code E14
automatically will
reset when the
voltage increases.
7 E12 error code
displayed
Under mains supply
(input) voltage
primary capacitors
is reduced for
one second.
Mains supply voltage
is down to a
dangerously low level.
A
B
Have an accredited
Thermal Arc Service
Agent or a qualified
electrician check the
Mains voltage.
Have an accredited
Thermal Arc Service
Agent or a qualified
electrician check
the primary cable
and fuses.
Weld current ceases.
Buzzer sounds
constantly.
Error code E12
automatically will
reset when the
voltage increases.
8 E81 error code
displayed
Wrong Primary
supply (input)
voltage connected.
When 3 phase
machine is first turned
ON with the wrong
Primary supply (input)
voltage connected.
Have an accredited
Thermal Arc Service
Agent or a qualified
electrician check the
Mains voltage.
No weld current is
available.
Buzzer sounds
constantly.
Switch machine OFF.
9 E82 error code
displayed
Rated voltage
selection circuit
abnormality.
The Primary supply
(input) voltage
fluctuates and is
not stable.
Have an accredited
Thermal Arc Service
Agent or a qualified
electrician check the
Mains voltage.
No weld current
is available.
Buzzer sounds
constantly.
Switch machine OFF
then ON to reset
E82 error.
Table 12-1 (continued). Power Source Error Codes