FMX-003_UM_9752020820_NL_D_GB_F_V2_0 36
10. Faults
Problem Cause
Remedy
The FMX has been
switched on, but when it
approaches an
electrostatically charged
object to be measured, the
reading does not react
The FMX is in the HOLD
mode
Switch the HOLD mode off
The zero button has been
pressed, but the FMX
cannot be reset
The FMX is in the HOLD
mode
Switch the HOLD mode off
Internal zero point has
shifted
Return FMX for calibration
The FMX has been
switched on, but the
display shows no symbols
Battery voltage too low
Replace the battery
Display is defective
Replacement or repair is
necessary, send the FMX to
Simco-Ion for repair
One of the symbols on the
display is lacking, or the
display shows Error ("Err")
Display or sensor is
defective
Replacement or repair is
necessary, send the FMX to
Simco-Ion for repair
Buzzer does not operate
Faulty buzzer
Replacement or repair is
necessary, send the FMX to
Simco-Ion for repair
Voltage measured at ion
balance is too low
Adhesion of dirt or
condensation on the ion
balance plate.
Clean the plate ultrasoncally and
dry it properly. If this does not
help, send measuring plate to
Simco-Ion for repair
Table 1: Faults
