Troubleshooting and repair, Internal diagnostics (continued) – Lincoln Electric INVERTEC SVM161-A User Manual

Page 51

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TROUBLESHOOTING AND REPAIR

F-11

F-11

INVERTEC® V205-T AC/DC™

INTERNAL DIAGNOSTICS (Continued)

LED

L1

L2

L3

L4

L5

L6

L7

L8

L9

L10

L11

L12

L13

L14

Definition

-15VDC supply by 15.14.316 for 15.14.316 logic part

+15VDC supply by 15.14.316 for 15.14.316 logic part

+5VDC supply by 15.14.316 for 15.14.316 logic part

+24VDC supply by 15.14.316 for power front panel

+48VDC supply by 15.14.316 for power front panel

-15VDC supply by 15.14.316 for 15.14.316 UPFR

part

+15VDC supply by 15.14.316 for 15.14.316 UPFR

part
Output power enabled (See “pot signal” & LED
“Output”
)

Thermal Alarm

UPFR on

Gate MOS 11 active (output power enabled)

Gate MOS 12 active (output power enabled)

Gate MOS 16 active (output power enabled)

Gate MOS 15 active (output power enabled)

Normal Status Conditions

ON [Green]

ON [Green]

ON [Green]

ON [Green]

ON [Green]

ON [Green]

ON [Green]

STICK: ON [Green]
TIG: ON (torch trigger pulled)
OFF = OK
ON = ALARM [Red]
Brightness proportional with
actual output current.
STICK: ON [Green]
TIG: ON (torch trigger pulled)
STICK: ON [Green]
TIG: ON (torch trigger pulled)
STICK: ON [Green]
TIG: ON (torch trigger pulled)
STICK: ON [Green]
TIG: ON (torch trigger pulled)

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