Programming instructions

140
3300 ICP Technician’s Handbook
Stratum 3 Clock Module
To replace the clock module in all controllers:
1. Power down the controller (see page 99).
2. Remove the cover (see page 99, page 101, or page 101).
3. Remove the screws from the clock module.
4. Remove the clock module.
5. Seat the new clock module onto the main board.
6. Replace the screws that you removed from the clock module.
7. Replace the top cover.
8. Power up the controller (see page 22).