Tweco 160 S Arcmaster - Manual (Page 45)

ARCMASTER ® 160 S
March 31, 2006 12-1
SECTION 12:
POWER SOURCE ERROR CODES
Description
P
ossible Cause
Remedy
Remarks
1.
E01 error code displayed Tempera
ture sensor
TH1 (protects IGBTs)
is grea
ter than 80ºC for about 1 second
A. B. C.
The
W
elding P
o
wer Source’
s duty
cy
cle has been exceeded.
Fan ceases to opera
te.
Air fl
o
w
is restricted by vents being
blocked.
A. B. C.
Let P
o
wer Source cool do
wn
then keep within its duty c
yc
le.
Ha
ve
an Accredited Thermal Arc
Ser
vice Agent
investiga
te.
Unblock vents then let P
o
wer
Source cool do
wn.
W
eld current ceases.
Buzzer sounds constantly
.
E01 resets when
TH1 decreases to
70ºC for about 30 seconds.
2.
E02 error code displayed Tempera
ture sensor
TH2 (protects
secondar
y diodes) is grea
ther than 80
o
C
for about 1 second
A.
The
W
elding P
o
we Source’
s duty
cy
cle has been exceeded.
A.
Let P
o
wer Source cool do
wn
then keep within its duty c
yc
le.
W
eld current ceases.
Buzzer
sounds constantly
.’F
an opera
tes a
t
max speed. E02 resets when the
TH2 decreases
to 70
o
C for about 30 seconds
B.
Fan ceases to opera
te.
B.
Ha
ve an accredited
Thermal
Arc
Ser
vice Agent
investiga
te.
C
.
Air fl
o
w
is restricted by vents being
blocked.
C.
Unblock vents then let P
o
wer
Source cool do
wn.
3.
E03 error code displayed Primar
y (input) current too high
A. B.
Primar
y current is too high because
welding arc is too long. Mains supply volta
ge is more than
10% belo
w nominal volta
ge .
A. B.
Reduce length of welding arc. Ha
ve
an Accredited Thermal
Arc Ser
vice
Agent or a qualifi
ed
electrician check for lo
w Mains
volta
ge.
W
eld current ceases.
Buzzer sounds constantly
.
Switch machine off then on to reset E03 error
.
4.
E94 error code displayed Tempera
ture sensor
TH1 for IGBT’
s or
sensor
TH2 for secondar
y diodes are open
circuit.
The
W
elding P
o
wer Source’
s
tempera
ture sensors ha
ve
malfunctioned.
Ha
ve
an Accredited Thermal
Arc Ser
vice
Agent or a qualifi
ed
electrician check or replace the tempera
ture sensors.
W
eld current ceases.
Buzzer sounds constantly
.
Switch machine off.
6.
E99 error code displayed Mains supply (input) volta
ge has been
turned off but control circuit has po
wer
from the primar
y ca
pacitors.
A
.
Main on/off s
witch on machine has
been turned off.
A.
Turn on/off s
witch on.
W
eld current ceases.
Buzzer sounds constantly
.
Must s
witch machine off and then
on to reset E99 error code.
B.
Mains supply (input) volta
ge has
been turned off.
B.
Ha
ve an accredited
Thermal
Arc
Agent or a qualifi
ed electrician
check the Mains volta
ge and
fuses.
Table 12-1:
P
o
wer Source Error Codes