12
Replacing The iButton
Turn off, tag and lockout the breaker that supplies power to the
console.
1. Follow Steps 1 through 11, in the instructions for “Replacing The CPU Board” beginning on page 4.
2. Locate the iButton on the top rear of the TLS-450PLUS CPU board (see Figure 17). Remove the iButton from
its socket on the board. Slide the replacement iButton into the socket with its flanged side facing up in the
socket (see Figure 18.
Figure 17. Locating TLS-450PLUS CPU Board iButton
Figure 18. Install iButton Flange Facing Up
OFF
WARNING