SHIMPO CAG-2000 1 Channel - Manual (Page 46)

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15. Troubleshooting
Phenomenon Cause Remedy
 Air supply pressure is not
stable.  Set regulator source
pressure at 300 kPa or
more.
 Regulator is
malfunctioning.  Overhaul or change it.
‘ Measuring nozzle is worn. ‘ Change it.
Repeatability is not stable.
’ Piping and joints are
leaking.
“ Entry of moisture or oil
causes trouble to
instrument.
’ Check for leakage, and
retighten.
“ Clean instrument.
 Air supply pressure is too
low or high.  Set regulator at 196 kPa.
 Piping and joints are
leaking.  Check for leakage, and
retighten.
‘ Gap of measuring nozzle
is too small. ‘ Adjust to proper gap.
Zero adjustment knob is
ineffective.
’ Gap of measuring nozzle
is too large. ’ Adjust to proper gap.
 Specified power is not
supplied.  Supply power of 85 to 264
VAC.
 Zero position of air circuit
is improperly adjusted.  Calibrate instrument with
masters.
‘ Instrument is in hold
measured value mode.
Bargraph display is
illuminated green or red
(dark).
‘ Press to clear this
condition.
Bargraph display does not
operate.
’ Instrument is in set mode. ’ End set mode.
 Power is not supplied.  Supply power of 85 to 264
VAC.
 Fuse is blown.  Change it.
Bargraph and alphanumeric
displays are not illuminated.
‘ Power supply or internal
circuit is faulty. ‘ Ask NIDEC TOSOK for
repair.