12 The Warranty & Maintenance
12.1 Warranty
We provide one year warranty since delivery.
If the product is exceed warranty or damaged by transportation, improper use, human elements, force majeure,
it is not under warranty.
12.2 Maintenance
The installation and storage should avoid the highly corrosive, high dust, high temperature, and high humidity environment;
especially avoid the metals fall into them.
Periodically clean the cooling fan and check whether it is normal.
Should be completely cut off the previous level power, shut down for 10 minutes or more, and the capacitor is fully
discharged before opening the cover to maintain. (Large-capacity electrolytic capacitor discharge need a certain period of
time), demolition careful in order not to damage the parts and components, pay attention to the order of connection.
Specific requirements are as follows:
Periodically clean the dust;
Check the terminal screws are tightened or not;
Check if there are overheating left traces and damage to the device;
Check the wire is aging or not.
Note: Controller does not work properly, you should try to solve according to manual, if it is still not resolved, please
contact us. Do not disassemble parts
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