TechnipFMC Smith Meter AccuLoad IV, Installation & Maintenance Manual

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AccuLoad IV Installation & Maintenance Manual
Maintenance 64
a. Position the A4M board so the gold tab on the RTC
battery socket is pointing toward you.
b. Using the flathead screwdriver supplied with your
AccuLoad, press down on the battery on the right
side of the gold tab and then gently pull it toward
you.
c. After the battery is unseated, use ESD-safe
technical tweezers or needle-nose pliers to
remove the battery from the board.
6. Install new replacement battery using the following steps:
a. Position the A4M board so the gold tab on the RTC
battery socket faces away from you.
b. Place the new RTC battery under the edge of the
gold tab and in the hole.
c. Using the flathead screwdriver, guide the RTC bat -
tery into the socket.
7. Re-install the A4M board into the AccuLoad’s housing
using the four captive fasteners on the corners of the
board and then restore all necessary connections.
8. Close the AccuLoad’s housing according to the information in Section 5: Closing and Sealing the
Enclosure .
6.4 Diagnostic Troubleshooting on A4M, A4B, and
A4I Boards
The A4M, A4B, and A4I circuit boards for the AccuLoad IV contain a seven-segment light-emitting diode
(LED) display capable of providing information about the status of the board. See the following table for
diagnostic codes.
Table 43: A4M, A4B, and A4I Diagnostic Codes
Function
Diagnostic
Code
Description
Bootloader Status Bb The Bootloader has an active error
UU The processor’s firmware is currently updating
FF A hardware failure has occurred and the processor is unable to
read memory; the board must be replaced
E1 A TCP timeout has occurred; check the connection between
BBB and the Ethernet port and replace the hardware
Figure 56: Removing the Battery
Figure 57: Replacing the Battery