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PSI System Controls and Diagnostics
F3200E User Manual
F3200E_UM_180726 Page 98 of 107
Measured currents or charges
are inaccurate
Unit not calibrated.
Gain factors are all 1.00 and
offsets are all zero.
Calibrate.
Calibration was carried out
while a signal current was
present.
Repeat calibration with no
external signal present.
Unit is overheating due to
failed fan
Unit feels warm. Fan stopped. Return unit for fan
replacement.
Unit is overheating due to
airflow blockage
Unit feels warm. Performance
improves when operated on
the bench.
Clear space around the unit
and improve airflow.
No signal on analog monitor
output
Unit is not measuring.
Signal appears when unit
initiated and triggered.
Ensure F3200E is measuring
when you want to see the
monitor output.
Analog output is set to manual
mode.
Check setting
Set to monitor mode.
No channels with signal are
selected for summation.
Check all channels - signal
should appear.
Ensure you select all the
relevant channels for summing
into the monitor output.
8.3 mA (833 uA, 83 uA, 8.3
uA) background on one
channel
Internal calibration source has
been turned on.
Turn off calibration source.
No signal seen on analog
inputs
Missing ground reference –
inputs are differential
Check electrical circuit
If the measured signal is single
ended, make sure the analog
input – and signal ground are
referenced to F3200E ground.
No or incorrect response to
Incorrect gate polarity
Use correct polarity.