12.0 POWER SOURCE ERROR CODES
Description
Possible
Ca
use
Remedy
Remarks
1
E01 error code displayed
Tem
perature sensor TH1 (protects
IGBTs) is greater than 80ºC for
about 1 second
A
B
C
The W
elding Power
Source’s duty cycle has
been exceed
ed.
Fan ceases to operate.
Air flow is restricted by
vents being blocked
A
B
C
Let Power Source cool
down then keep within its
duty cycle.
Have an Accredited
Therm
al Arc Service Agent
investigate
Unblock vents then let
Power Source cool dow
n.
Weld curren
t ceases.
Buzzer sounds constantly.
Fan operates at m
ax speed.
E01 resets w
hen TH1
decreases to 70ºC for abo
ut
30 seconds.
2
E02 error code displayed
Tem
perature sensor TH2 (protects
secondary diodes) is greater than
80ºC for about 1 second
A
B
C
The W
elding Power
Source’s duty cycle has
been exceed
ed.
Fan ceases to operate.
Air flow is restricted by
vents being blocked
A
B
C
Let Power Source cool
down then keep within its
duty cycle.
Have an Accredited
Therm
al Arc Service Agent
investigate
Unblock vents then let
Power Source cool dow
n.
Weld curren
t ceases.
Buzzer sounds constantly.
Fan operates at m
ax speed.
E02 resets w
hen TH1
decreases to 70ºC for abo
ut
30 seconds.
3
E03 error code displayed
Prim
ary (input) current too high
A
B
Prim
ary current is too high
because welding arc is too
long.
Mains supply voltage is
more than 10% below
nom
inal voltage
A
B
Reduce length of welding
arc.
Have an Accredited
Therm
al Arc Service Agent
or a qualified electrician
check for lo
w Mains
voltage.
Weld curren
t ceases.
Buzzer sounds constantly.
Switch m
achine off then on
to reset E03 error.
PRO-LITE 250S
49
June 29, 2005
Содержание pro-life 250s
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Страница 56: ...APPENDIX A INTERCONNECT DIAGRAM PRO LITE 250S June 29 2005 56 ...
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Страница 59: ...Figure 11 Location of PCB WK 4921 PRO LITE 250S 59 June 29 2005 ...
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