Black tach, Black arm white arm blue tach red tach, Troubleshooting and repair – Lincoln Electric POWER MIG 11521 User Manual

Page 54

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Black
Tach

J11

J11

Black
Arm

White
Arm

Blue
Tach

Red
Tach

FIGURE F.4 – PLUG J4

WIRE DRIVE MOTOR AND TACHOMETER FEEDBACK TEST (continued)

PROCEDURE

NOTE: POLARITY MUST BE OBSERVED FOR

THESE TESTS.

Test for correct wire drive motor armature voltage.

1. Disconnect main input power to the machine.

2. Open the side panels and remove the tool tray

using a 5/16” nutdriver.

3. Locate plug J4 on the wiring harness. See

Wiring Diagram.

4. Locate the black and white armature leads on

plug J4. See Figure F.4.

TROUBLESHOOTING AND REPAIR

F-16

F-16

Power MIG® 215XT

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