| Tech Bulletin: FT420 Error 2 Message
On certain early FT420 flow computers, a message appears when the unit
exceeds its maximum total of 9,999,999 units. Rather than an automatic
rollover, these units show a message on the display of "Err 2".
This indicates that the totalizer needs to be manually reset. To reset
the total to zero, turn off power to the unit while holding down the
Reset button (see photo). Continue holding the button down, and turn
the power back on. This will reset the totalizer to zero. The units
which have this characteristic were manufactured between November of
2000 and February of 2001. If the first four digits of the serial number
are 1100, 1200, or 0101, the unit probably is configured for manual
reset. Later units have automatic rollover, and the "Err 2"
message will not be displayed.
|
