Anhui JNGE Power Co,. Ltd
Address
：
No.99 Yonghe Road, High-Tech Zone, Hefei City Anhui Province, China Mainland
Tel
：
0551-65372576
http://www.hfjnge.com
- 16 -
5.3
System Maintenance
In order to maintain the best long-term performance, it is recommended to conduct the
following inspection twice a year
。
• Make sure controller is securely installed in a clean, dry environment
。
• Make sure airflow around the controller is not blocked and remove any dirt or debris
from the radiator
。
• Check all exposed wires for insulation damage caused by sun exposure, friction with
other objects around, dry rot, insect or rodent damage, etc.Repair or replace the wires if
necessary
。
• Tighten screws to all electrical terminals as recommended
。
• Check grounding of all parts of the system and verify that all grounding wires are
firmly grounded and properly grounded
。
• Check all terminals for signs of corrosion, insulation damage, high temperature or
burning, discoloration, and tighten terminal screws to recommended torque
。
• Check for dirt, nesting insects and corrosion and clean as required
。
• If arrester has failed, replace the failed arrester in time to prevent the controller or
even other users' equipment from being damaged by lightning
Note
：
Electric shock risk! ! !
Make sure all the power supply of the controller is disconnected before checking or
operating accordingly
！
Six Warranty
JND-X controller comes with a one-year free warranty, which begins on the date of sale.
Maintenance procedures before requiring maintenance, check with the user's manual to
determine that there is a problem with the controller.If no solution can be found, the
controller in question will be delivered back to us, prepaid, with date and location
information related to the purchase.In order to enjoy the rapid repair guarantee service, the
returned products must be marked with the model number, serial number and the detailed
cause of failure, as well as the type of components in the system and related parameters,
battery and system load;This information is important to quickly resolve your maintenance
requirements
。
If controller is damaged due to improper use or failure to follow this manual, the company
shall not be responsible for it.The maintenance procedure is carried out according to the
above procedure, and only the maintenance cost fee is charged
。
Disclaimer: the company reserves the right to change the products
！
