20
IM CL255
6.
Calibration and After-sales Service
Should any failure occur while you are using the tester, follow the instruc-
tions given below. If the tester still fails to operate correctly and needs
repair, contact the vendor from whom you purchased the instrument or the
nearest Yokogawa Meters & Instruments sales office.
● Turn off the POWER switch once, then turn it back on again.
● If the tester does not turn on, replace the battery with a new one.
Calibration
It is recommended that the instrument be calibrated once every year.