5-11
IM MT300-02EN
Troubleshooting, Maintenance, and Inspection
5
5.6 Power Supply Fuse
Because the power supply fuse used by this instrument is inside the case, you cannot replace it
yourself. If you believe that the power supply fuse inside the case has blown, contact your nearest
YOKOGAWA dealer.
5.7 Recommended Part Replacement
The life and replacement period for expendable items varies depending on the conditions of use. Refer
to the table below as a general guideline.
For part replacement and purchase, contact your nearest YOKOGAWA dealer.
Parts with Limited Service Life
Part Name Service Life
Battery pack Number of charges/discharges approx. 300 times
LCD panel Approx. 50000 hours for the backlight brightness to become half the initial brightness
Consumable Parts
We recommend replacing them at the following intervals.
Part Name Service Life
Backup battery (lithium battery) 5 years
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