Enter into M08, if ‘R’ is displayed on the screen, the instrument is working properly,
If 'E' is displayed, the current loop output is over-ranged. Increasing the range setting in
M57 will make the 'E' letter disappear. If you do not use current loop output, you may ignore
this error.
If 'Q' is displayed, the frequency output is over-ranged. Increasing the range setting in M69
will make the 'Q' letter disappear. If you do not use frequency output, you may ignore this
error.
If an ‘H’ flashes on that place, there could be poor signal received. Please refer to the
chapters on diagnosis.
If 'G' is displayed, the flow meter is adjusting system gain. This is normal as far as it does
not last long time.

If an ‘I’ is displayed, it means that there is no signal detected.

If 'J' is displayed, there is hardware problem. Turn off the power, then,
turn on the power again. If the problem remains, refer to Chapter 5 for diagnosis
details.