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11 Routine Maintenance
11.1 Maintenance Plan
▪
Check if wire connections are loose.
▪
Check if cables are aged/damaged.
▪
Check if cable insulating ribbon drops.
▪
Check if cable terminal is loose, any overheat sign.
▪
Check if ground connection is good.
11.1.1 Operating Environment (Every six months)
Carefully observe whether the battery system equipment is ineffective or damaged.
When the system is running, listen to any part of the system for abnormal noise.
Check whether the voltage, temperature and other parameters of the battery and other equipment
parameters are normal during system operation.
11.1.2 Equipment Cleaning (Every six months to one year, depending on the site environment and
dust content, etc.)
Ensure that the ground is clean and tidy, keep the maintenance access route unblocked, and ensure
that the warning and guiding signs are clear and intact.
Monitor the temperature of the battery module and clean the battery module if necessary.
11.1.3 Cable, Terminal and Equipment Inspection (Every six months to one year)
▪
Check if the cable connections are loose.
▪
Check whether the cables are aged/damaged.
▪
Check whether the cable tie of the cable has fallen off.
▪
Check if the cable terminal screws are loose and the terminal position has any signs of
overheating.
▪
Check whether the management system of the system equipment, monitoring system and other
related equipment are invalid or damaged.
▪
Check that the grounding of the equipment is good and the grounding resistance is less than 10
ohms.
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11.2 Notes
After the equipment is out of operation, please pay attention to following notes while maintaining:
▪
Related safety standards and specifications should be followed in operation and maintenance.
▪
Disconnect all the electrical connections so that the equipment would not be powered on.
▪
Wait at least 5 minutes after disconnection, so that the residual voltage of the capacitors drops
to a safe voltage. Use a multimeter to make sure that the equipment is completely discharged.
▪
The equipment should be repaired by professional staff only and it is strictly forbidden for
maintenance staff to open equipment modules on their own.
▪
Appropriate protective measures should be taken while maintaining, such as insulated gloves,
shoes, and anti-noise ear plugs.
▪
Life is priceless. Make sure no one would get hurt first.
▪
In case of a deep discharge, the battery must be charged to a SOC rate of 30% to 50%
，
If the
entire system is static (i.e. the battery has not been charged for two weeks or more).
Please contact us in time if there are any conditions that could not be explained in the manual.
12 Quality Assurance
When product faults occur during the warranty period, his partner will provide free service or replace
the product with a new one.
Evidence
During the warranty period, the customer shall provide the product purchase invoice and date. In
addition, the trademark on the product shall be undamaged and legible.
Otherwise, company has the right to refuse to honor the quality guarantee.
Conditions
After replacement, unqualified products shall be processed by company.
The customer shall give company or his partner a reasonable period to repair the faulty device.
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