User Guide

LA-series Operating Manual
-95-
Description
Maintenance and repair is divided into: maintenance by users and
maintenance by factory.
Chapter 7 Maintenance, Repair and Utilization
1. The users may maintain the devices without removing the instrument
housing.
2. If, in the case of correct AC input power, the instrument is still disabled
when PowerSwitch at left panel is “1” and Power key on the frontal panel
is pressed, the fuse is already burnt. Make sure AC power cord is removed
when replacing the fuse. Then, replace the fuse by opening the fuse holder.
Note: utilization of nonconforming fuses may lead to damage, burnout or
even serious re hazard and inability of product warranty.
3. It’s required to avoid covering or jamming of air inlet/outlet to ensure
normal operation for a long period of time.
4. It’s required to prevent penetration of water droplet or other liquid.
5. Corrosive cleaning agent or solvents or those with poor chemical-resistance
shall be avoided when rubbing the instrument.
6. Sharp substances or strong collision shall be avoided against scratching or
damage of LCD panel.
7-1 Maintenance by Users