GE PACSystems RX7i Reference Manual page 69

Chapter 2. CPU Features & Specifications
10. While removing, or replacing the battery, take care not to damage the nearby ribbon cable (not
shown).
11. Using a non-conductive pliers, grip the battery and simultaneously hold back the retaining clip so it
is clear of the battery.
12. Remove the depleted battery and dispose of it by an approved method.
13. Install the replacement battery so that the inscribed positive face is up.
14. Check that the retaining clip has engaged the edge of the newly installed battery.
15. Apply any dislodged thermal pads to the surface of the corresponding components on the circuit
board.
16. Replace the heat sink.
17. Tighten all four retaining screws to 0.6Nm.
18. Reattach the adaptor plate removed in step 5.
19. Restore the CPE400 module to its original location and secure it in place.
20. Reconnect all cables to their original connectors.
21. Turn power back on.
22. If needed, set the current date and time via Proficy Machine Edition.
The replacement battery must be IC690ACC001 from GE Automation & Controls, or an equivalent, such
as Rayovac™ Lithium BR2032 Coin Cell 3V 190mAh -40°C to +85°C.
To avoid damage from electrostatic discharge, use proper precautions
when performing these procedures:
Extra caution should be taken in cold, dry weather, when static charges can
easily build up.
58
Use of a different type of battery than that specified here may
present a risk of fire or explosion.
Battery may explode if mistreated. Do not recharge,
disassemble, heat above 100°C (212°F), or incinerate.
▪
Wear a properly functioning antistatic strap and be sure that you are
fully grounded. Never touch the printed circuit board, or components
on the board, unless you are wearing an antistatic strap.
▪
Any surface upon which you place the unprotected circuit board
should be static-safe, facilitated by antistatic mats if possible.
PACSystems* RX7i, RX3i and RSTi-EP CPU Reference Manual
Warning
Caution
GFK-2222AD