Emerson FB1200 Instruction Manual page 88

Emerson FB1200 Flow Computer Instruction Manual
D301782X012
July 2017
DANGER
EXPLOSION HAZARD: Do not replace batteries unless power has been switched off or the area is
known to be non-hazardous. Batteries must only be changed in an area known to be non-
hazardous.
WARNING
There are no user-serviceable parts inside the battery pack. Do not open the battery pack as you
may damage the battery pack or injure yourself.
Restriction
Battery packs cannot be used with ATEX or IECEx applications.
Keep the replacement battery pack handy during the procedure.
1. Remove the retaining clamp from the front end cap (if present). (See Section 2.6.1.)
2. Remove the front end cap.
3. Loosen the two bottom captive fastening screws on the HMI module. Leave the two top
screws connected to the battery pack.
4. Grasp the HMI module and gently pull it and the battery pack out of the enclosure, leaving
the battery still connected.
Figure 5-5: Removing the Battery Pack
5. Connect the new battery to the open connector. Route the wires so they are in the recessed
area. Make sure the wires won't get caught in the end cap threads.
6. Disconnect the old battery pack's connector from the unit and set the old battery pack aside.
7. Slide the new battery pack into the unit.
8. Loosen the top captive fastening screws on the HMI module to separate it from the old
battery pack.
82 Service and Troubleshooting