[6] MAINTENANCE
1. This section is very important for safety. Read and understand the
following instruction fully and maintain your instrument properly.
2. The instrument must be calibrated and inspected at least once
a year to maintain the safety and accuracy.
WARNING
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6-1 Maintenance and Inspection
1) Appearance
• Is the appearance not damaged by falling, etc?
2) Test leads
• Is the cord of the test leads not damaged?
• Is the core wire not exposed at any place of the test leads?
NOTE:
• If the built-in fuse is blown, only the current measurement
does not work.
• Make sure that the test leads are not cut, referring to the section 5-1.
6-2 Calibration
The manufacturer may conduct the calibration and inspection. For
more information, please contact the manufacturer.
If message 'C_Er' is being displayed while powering on, it means
that the device requires to re-calibration, please refer to the LIMITED
WARRANTY section for obtaining warranty or repairing service.
6-3 Battery and Fuse Replacement
1. If the rear case or the battery lid is removed when any input is
applied to the input terminals, you may get electrical shock. Before
starting the work, always make sure that no input is applied.
2. Before starting the work, be sure to turn OFF the main power
and release the test leads from the circuit.
3. Be sure to use a fuse of the specified rating or type. Never use
a substitute of the fuse or never make a short circuit of the fuse.
WARNING
Factory-preinstalled built-in battery
A battery for monitoring is preinstalled before shipping, therefore it may
run down sooner than the battery life specified in the instruction manual.
The "battery for monitoring" is a battery to inspect the functions
and specifications of the product.
