Download TA520 Time Interval Analyzer User`s Manual

14.4 Performing a Self-test
Explanation
Remove all cables that are connected to the terminals on the front and rear panels and
stop the measurement.
If abnormalities are found on a test item
The instrument probably has malfunctioned. Contact your nearest YOKOGAWA dealer.
Board test messages
The following messages may appear. If any of these messages appears, servicing is
necessary. Contact your nearest YOKOGAWA dealer.
• Low Battery
: The battery has died. It must be replaced.
• Calibration Data Lost
: The internal calibration values may have been lost. Recalibration is necessary.
• ROM Error/DRAM Error : Abnormality may have occurred in the internal memory.
/SRAM Error
Troubleshooting and Maintenance
14
IM 704310-01E
14-7