F-26
.
6. Label and remove all associated leads and plugs. Some leads will require a 7mm nutdriver for removal
7. Remove and replace the Input board.
8. Connect all leads and plugs previosly removed
9. Replace the four mounting screws previously removed.
10. Replace the case cover.
FIGURE F.11 – SCREW AND LEAD LOCATION
INPUT BOARD
MOUNTING SCREWS
TROUBLESHOOTING & REPAIR
INPUT BOARD REMOVAL AND REPLACEMENT PROCEDURE

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F-26

AC1

AC2

DC-

DC+

PROCEDURE

1. Disconnect power to the INVERTEC® V155-S.

2. Perform the Case Cover Removal Procedure

(Le t side only).

3. Perform the Input Filter Capacitor Discharge

Procedure.

4. Label and disconnect the four leads at the Power Switch located on the case back.

5. Using a 7mm nutdriver, remove the four input board mounting screws. This will allow the board to be gently pulled forward to gain access to associated leads and plugs. See Figure F.11.

INVERTEC® V155-S

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Lincoln Electric V155-S service manual AC2