Routine Maintenance
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10.3 Daily maintenance
Introduce basic maintenance in daily use of equipment. Such as cleaning, self-maintenance allowed to be performed by
the user, etc.
10.3.1 Equipment cleaning
Use dry cloth or slightly wet cloth to gently wipe the equipment. Do not arbitrarily wipe the inside of the instrument.
Cut off the power supply before cleaning.
10.3.2 Initialize
When this operation is implemented, the system settings are recovered to the factory default values.
1. Select “SYSTEM > INITIAL” in the “Menu” interface to enter the system initialization interface. See the following
figure.
2. Select the menu items to be initialized (blue symbol background) via button. Menu items with characters ##
following should be initialized; ## indicates that the items will not be initialized.
3. Press the soft key corresponding to the symbol on the right of the interface to determine whether to initialize this
menu item. Or use the soft key “” (for initialization of all menu items) or “” (no initialization for all menu items) in
the lower part of the interface.
4. Press the “START” soft key to initialize system settings. Press the ESC to exit.
10.4 Troubleshooting
This section describes operations to be carried out by the user in case of failure of the instrument. Preparation before
contact
When the instrument fails, check the following:
• Check whether the power meter is powered up.
• Check whether the power meter is started normally.
• Check whether the instrument fuse is in good conditions.
• Check whether other connectors are in good conditions and whether cables, plugs and other parts are connected
properly.
• Check whether the system configuration of the instrument is correct during use.
• Check whether self-inspection of the instrument is successful and whether the specifications and performance are
within the indicator ranges.
• Check whether the instrument displays error information.
• Use other instruments instead of this instrument for confirmation.
