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14
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App
Index
14.1 Troubleshooting
• For the appropriate corrective actions when an error code is shown on the display, see
section 14.2.
• If servicing is necessary or the GS200 does not operate properly even after you have
performed the corrective actions described below, contact your nearest YOKOGAWA
dealer.
Problem Probable Cause Corrective Action Refer to
Section
The
GS200
does not Using a power supply outside Use a correct power supply. 3.3
turn on. the ratings.
The GS200 does not The setup file is corrupt. If the GS200 does not start properly even after you
start properly restart it, hold down the ESC and +/– keys while you
turn the power on.
The GS200 formats the GS200ROM disk to enable
startup. If the GS200 still does not start correctly,
servicing is required.
Nothing is displayed. The display is turned off. If the NUM LOCK key is blinking, the display is 9.4
turned off. Press any key.
Keys do not work. The GS200 is in remote mode. The GS200 is in remote mode when the remote —
indicator is
illuminated. Press the ESC key to
switch
the
GS200 to local mode.
Other causes. If a certain key does not work, it may be due to a 14.3
bad connection.
Perform the self test’s key test. If
there
are
keys that you cannot operate, servicing
is
required.
The
USB storage feature The GS200ROM disk is corrupt. If only the GS200RAM disk appears on your PC, 4.4
does not work. the GS200ROM disk may be corrupt. Format the
disk.
The
drive has been assigned Use a management tool on the PC to assign the —
the same drive letter as another drive a unique drive letter.
drive on the PC.
The PC does not support the The USB storage feature is valid on Windows PCs. —
USB mass storage class. Check that the GS200 is detected in Device
Manager.
Files written
from a PC The file was only written to the Carry out the “Safely Remove Hardware” procedure —
cannot be viewed on PC cache memory. on the PC to make sure that the cache is written to
the GS200. the storage device.
The source level or Insufficient warm-up. Warm up the GS200 for 60 minutes after turning —
measured value is on the power.
strange.
The
ambient temperature is Use the GS200 in a stable environment that meets —
fluctuating. the specifications.
The signal contains noise. Use the GS200 in an environment free of noise. 3.5
Exercise
caution especially when handling minute
voltage
or current.
The GS200 is oscillating. Check whether the load is within the allowable range. 3.5
Use twisted-pair wires for wiring.
The connection is not correct. In the case of a four-terminal connection, check that 3.5
the connection is correct. Note that in the case of a
two-terminal connection, the lead wire resistance
and contact resistance have an effect on the GS200
when the output current is large.
The output turns off and A load that is outside of the Connect a load that is within the specifications. 3.1
the error message “An specifications is connected.
abnormal load is
connected” is displayed.
Chapter 14 Troubleshooting and Maintenance
14-1
IM GS210-01EN
Troubleshooting and Maintenance
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