1) Transport and storage:
Do not stack product package more than six layers; 
Do not climb, stand on or place heavy stuff on the product package; 
Do not pull the cable still connecting with machine to move product. 
Forbid impact and scratch on the panel and display; 
Prevent the product package from humidity, sun exposure, and rain.  

2) Wiring 
Ensure the persons involved into wiring and inspecting are specialized staff; 
Guarantee the product is grounded with less than 4 grounding resistance. Do not use neutral line (N) to substitute earth wire. 
Ensure grounding to be correct and solid, in order to avoid product failures or unexpected consequences; 
Connect the surge absorption diodes to the product in the required direction, otherwise, the product will be damaged; 
Ensure the power switch is OFF before inserting or removing plug, or disassembling chassis. 

3) Overhauling 
Ensure the power is OFF before overhauling or components replacement; 
Make sure to check failures after short circuit or overloading, and then restart the machine after troubleshooting
Do not allow to frequently connect and disconnect the power, and at least one minute interval between power-on and power-off. 

4) Maintenance
Please implement routine inspection and regular check upon the following items, under the general usage conditions (i.e. environmental condition: daily average 30ºC, load rate: 80%, and operating rate: 12 hours/ day)