Troubleshooting and repair – Lincoln Electric LN-8 SVM132-A User Manual
Page 84
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TROUBLESHOOTING AND REPAIR
F-34
RELAY BOARD REMOVAL AND
REPLACEMENT
1. If the Relay PC board is being
replaced, remove the 1CR Relay
from the PC board.
2. Disconnect all plugs and connec-
tors.
3. Remove mounting screws.
4. Place the new PC board into the
case and install the mounting
screws.
5. Install the 1CR Relay into the PC
board.
CAUTION: Do not use excessive force
when installing the 1CR Relay.
Excessive force can damage the Relay
PC board. If the relay does not fit prop-
erly, remove it and try again.
6. Connect all plugs and connectors
to the PC board in the same loca-
tion they were removed from.
7. Install the screws that secure the
left side cover assembly.
CONTROL PC BOARD
REMOVAL AND
REPLACEMENT
1. Disconnect all plugs and connec-
tors from the Control PC board.
2. Using a Phillips screwdriver,
remove the screws that secure the
Control PC board to the case.
3. Carefully move the Control Board
away from the case. Check to
ensure that all plugs and connec-
tors have been disconnected.
4. Place the new PC board into the
case and install the mounting
screws.
5. Connect all plugs and connectors
to the PC board in the same loca-
tion they were removed from.
6. Install the screws that secure the
left side cover assembly.
LN-8