Thermal Arc ARCMASTER 185 AC/DC, Operating Manual, Page: 59 / 74

ARCMASTER 185 AC/DC
Feb r ua r y 20, 2006
12-1
SECTION 12:
POWER SOURCE ERROR CODES
Description Possible Cause Remedy Remarks
A The Welding Powe r
Sou r ce’s duty cycle
has been exceeded.
A Let Powe r Sou r ce
cool down then
keep within its
duty cycle.
B Fan ceases
to ope r ate.
B Have an acc r edited
The r mal A r c Se r vice
Agent investigate.
C Ai r flow is r est r icted
by vents being
blocked.
C Unblock vents then
let Powe r Sou r ce
cool down.
A The Welding Powe r
Sou r ce’s duty cycle
has been exceeded.
A Let Powe r Sou r ce
cool down then
keep within its
duty cycle.
B Fan ceases
to ope r ate.
B Have an acc r edited
The r mal A r c Se r vice
Agent investigate
C Ai r flow is r est r icted
by vents being
blocked.
C Unblock vents then
let Powe r Sou r ce
cool down.
A P r ima r y cu rr ent is
too high because
welding a
r c is
too long.
A Reduce length of
welding a r c.
B Mains supply
voltage is mo r e
than 10% below
nominal voltage .
B Have an acc r edited
The r mal A r c Se r vice
Agent o r a qualified
elect r ician check fo r
low Mains voltage.
E04 e rr o r code
displayed
Output voltage
exceeds the
seconda
r y voltage
specification.
1 E01 e rr o r code
displayed
Tempe
r atu r e senso r
TH1 (p r otects
IGBTs) is g r eate r
than 80ºC fo r about
1 second.
Weld cu rr ent
ceases. Buzze r
sounds constantly.
Fan ope
r ates at
max speed.
E01
r esets when
TH1 dec r eases to
70ºC fo r about
30 seconds.
2 E02 e rr o r code
displayed
Tempe
r atu r e senso r
TH2 (p r otects
seconda r y diodes)
is g r eate r than 80ºC
fo r about 1 second.
Weld cu rr ent
ceases. Buzze r
sounds constantly.
Fan ope
r ates at
max speed.
E02
r esets when
TH2 dec r eases to
70ºC fo r about
30 seconds.
3 E03 e rr o r code
displayed
P
r ima r y (input)
cu rr ent too high.
Weld cu rr ent
ceases. Buzze r
sounds constantly.
Switch machine OFF
then ON to
r eset
E03 e rr o r .
4 TIG to r ch cable
and/o r wo r k lead
a r e too long o r
leads a r e coiled.
Reduce the length
of the TIG to
r ch
cable and/o r wo r k
lead o r un-coiled
leads.
Weld cu rr ent
ceases. Buzze r
sounds constantly.
Switch machine OFF
then ON to
r eset
E04 e rr o r .
Table 12-1 Powe r Sou r ce E rr o r Codes