Switch And Buttons - Emerson FB2100 Instruction Manual

5.3

Switch and Buttons

A momentary switch and two push buttons on the HMI module provide troubleshooting
options for the flow computer.
EXPLOSION HAZARD: Never open the enclosure in a hazardous location. Opening the
enclosure in a hazardous location could result in an explosion.
Figure 5-3.
Table
Button Name
SYSTEM RESET
A
B
Service and Troubleshooting
DANGER
Switch and Buttons
5-3. Switch and Buttons
Purpose
Resets Power. This momentary
switch Interrupts power to the
flow computer to reset it. Used if
system powered on but non-
functional; this attempts a
reboot.
Clears memory (SRAM). The
SRAM memory holds current
data values and pending alarm
messages. If unit has
unexpectedly stopped operating,
you can depress this button on
power- up to clear that
information from memory (hard
reset). Try this if a SYSTEM RESET
alone does not work.
Currently undefined
FB2100 Flow Computer Instruction Manual
Procedure
Move the SYSTEM RESET switch
either up or down. Unit powers
off and then restarts.
1. Press and hold the A button.
2. While continuing to hold the
A button, move the SYSTEM
RESET switch either up or
down to initiate a reset.
3. Release the A button. The
system clears SRAM during
the power up sequence.
None
D301783X012
November 2023
89