13-1 
13 System Maintenance 
This chapter introduces the system maintenance and simple troubleshooting. 
WARNING: 
The system maintenance is completed by the user and the 
service engineer. After the system is delivered to the user, the 
user assumes all the responsibilities in maintenance and 
operation. 
For problems not described in this chapter or unable to be 
solved, contact our company’s Customer Service Department 
or your local distributor. 
 
NOTE: 
It is recommended to establish maintenance and periodic check plans. If 
finding any abnormality, contact our company’s Customer Service 
Department or your local distributor. 
13.1   Maintenance Performed by Users 
The following maintenance is performed by users. 
13.1.1 Cleaning 
WARNING: 
Before cleaning, turn off the system and disconnect its power 
plug from the outlet. Otherwise, electric shock may occur. 
Do not leak any liquid into the system. Otherwise, the system 
may fail or electric shock may occur.   
 
CAUTION:
Refer to the instruction of detergent for details on how to use the 
detergent. 
 
NOTE: 
Do not clean parts such as connectors by yourself. If you want to clean 
them, contact our company’s Customer Service Department or your local 
distributor. 
13.1.2  Backup 
To prevent data saved in the flash memory of the system from being damaged or lost, backup 
the data in it periodically. 
You can copy the files in the flash memory to a USB storage device and then save the files in