9-1
IM 704420-01E
Troubleshooting and Maintenance
9
9.1
Troubleshooting
• For the appropriate corrective actions when an error code is shown on the display,
see section 9.2.
• If servicing is necessary, or if the instrument is not operating correctly after performing
the following corrective actions, contact your nearest YOKOGAWA dealer as listed on
the back cover of this manual.
Problem
Probable Cause
Corrective Action
Section
The power does not turn ON.
Using a power supply outside
Use a correct power supply.
3.3
the ratings.
The circuit breaker is OFF.
Find the reason that caused the circuit
9.8
breaker to turn OFF. If there is no problem,
turn it ON.
The display is not correct.
The system has malfunctioned.
Reboot the system.
3.4
Noise appears on the display.
Install the TA120E where there is no noise.3.2
Remove the noise.
—
The ambient temperature or humidity
Install the TA120E in a place that meets
3.2
is outside the specifications.
thespecifications.
Keys do not work.
Key lock is ON.
Turn OFF the key lock.
7.6
The TA120E is in the remote mode.
Set the TA120E in the local mode.
7.2
Cannot make measurements. The trigger mode or slice level is not
Set them correctly.
4.3
correct.
The RF signal or clock signal is not
Input the RF signal or clock signal correctly. 3.5, 3.6,
input correctly.
4.2, 4.7,
4.8
The measurement range is exceeded. Check the measurement range.
4.1
Arming is not adequate.
Check arming.
4.5
Inhibit is not adequate.
Check inhibit.
4.6
Chapter 9 Troubleshooting and Maintenance
