Operating manual EMGZ308
14
8 Trouble shooting
Error
Cause
Corrective action
Output shows signal > 0
although material has no
tension
Offset setting is bad
Re-adjust offset (refer to „7.5 Calibrating the
measuring amplifier“)
Current output is configured
for 4...20mA
Change jumper setting if required
Output signal is not
stable although material
tension doesn’t change
Cut-off frequency too high
Adjust cut-off frequency (refer to
„7.4 Configuring the lowpass filter“)
Ground terminal of the output
isn’t 0V
Connect Gnd terminal of the output with earth
(terminal PE)
Adjusting of the
trimmers causes no
result
Jumpers are set to
„fixed gain“ / „fixed offset“
Set jumpers to „variable gain“ / „variable offset“
Display shows inaccurate
value
Display scaling not correct
Proceed display scaling (refer to „7.6 Scaling the
integrated display“)
Output shows no
reaction, or 1 or 2 LED’s
don’t light
Fuse blown
Replace fuse on power supply
Power supply not correct
Check / correct power supply
Measuring amplifier defect
Contact FMS customer service
