SERVICE MANUAL
TRANSTIG 200 AC/DC
January 17, 2008
12-5
Refer to 2.9 for the recommended duty cycle.
b. Replace PCB6 (WK-5549) and PCB13 (WK-
5569).
• Refer to section 13.3.5 for the replacement of
PCB6.
• Refer to section 13.3.12 for the replacement of
PCB13.
12.2.5 E11 "Main Supply Over Voltage"
Cause
Main supply voltage occurs at about 275V or
more.
Verification/Remedy
a. Verify main supply voltage.
• Perform what is described in a section of “Veri-
fication of the Power Supply Voltage”. Refer to
section 12.5.2.
b. Replace PCB4 (WK-4819).
• Verify PCB4 (WK-4819) and replace it if neces-
sary. Refer to section 13.3.4.
12.2.6 E12 "Main Supply Under Voltage"
Cause
Main supply voltage occurs in about 150V or
less.
Verification/Remedy
a. Verify main supply voltage.
• Perform what is described in a section of “Veri-
fication of the Power Supply Voltage”. Refer to
section 12.5.2.
b. Replace PCB4 (WK-4819).
• Verify PCB4 (WK-4819) and replace it if neces-
sary. Refer to section 13.3.4.
12.2.7 E81 "Abnormal Input Voltage"
Cause
The detection circuitry of main supply voltage
is abnormal.
Verification/Remedy
a. Verify main supply voltage.
• Perform what is described in the section “Veri-
fication of the Power Supply Voltage”. Refer to
section 12.5.2.
b. Confirm a secure connection of the harness wired
between CN2 on PCB3 (WK-5548) and CN1 on
PCB17 (WK-4917).
• Re-install the harness with a secure connection.
• Contact the manufacturer if you find any bro-
ken connectors or a damaged wiring harness.
c. Verify PCB4 (WK-4819) and replace it if neces-
sary.
• Check whether there are any abnormalities on
the appearance of PCB4.
• Replace PCB4. Refer to section 13.3.4.
12.2.8 E82 "Rated Voltage Selection Circuit
abnormality"
Cause
Rated voltage selection circuit inside the Weld-
ing Power Source is not functioning properly.
Verification/Remedy
a. Verify the wiring harness and connection of CN4
on PCB4 (WK-4819).
• Re-install the harness with a secure connection.
• Contact the manufacturer if you find any bro-
ken connectors or damaged wiring harness.
b. Verify PCB4 (WK-4819) and replace it if neces-
sary.
• Check whether there are any abnormalities on
the appearance of PCB4.
• Replace PCB4. Refer to section 13.3.4.
12.2.9 E83 "Abnormalities in Mains Supply
Voltage Detection"
Cause
Abnormalities, such as an input voltage de-
tection circuit
Verification/Remedy
a. Verify main supply voltage.
• Perform what is described in a section of “Veri-
fication of the Power Supply Voltage”. Refer to
section 12.5.2.
b. Confirm a secure connection of the harness wired
between CN2 on PCB3 (WK-5548) and CN1 on
PCB17 (WK-4917).
• Re-install the harness with a secure connection.
• Contact the manufacturer if you find any bro-
ken connectors or damaged wiring harness.
c. Verify PCB4 (WK-4819) and replace it if neces-
sary.
• Check whether there are any abnormalities on
the appearance of PCB4.
• Replace PCB4. Refer to section 13.3.4.
Summary of Contents for TRANSTIG 200 AC/DC
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