JN-MPPT Buck series solar charge controller
address:no.99 yonghe road.Hefei.Anhui.China
Tel
：
0551-65372576
http://www.hfjnge.com
- 16 -
damaged.
Charge
current
Red light
on
，
Icharge
flashes
Charging overcurrent
protection check for
abnormal current
detection and
malfunction
If you restart it several times, if you can't solve
it, you need to go back to the factory for
repair;
Over
loading
Red light
on
，
flashes
Load power is too large
1. Reduce the load power;
2. Restart and release the fault;
3. Without excessive sensibility and capacitive
load;
Remark: The above fault phenomenon can not be turned on except the battery under voltage, other
faults can refer to the fault information through the PC background or mobile APP;
5.3 system maintenance
In order to maintain optimal long-term performance, it is recommended to perform the
following checks twice a year.
Verify that the controller is securely installed in a clean, dry environment.
(1) Verify that the airflow around the controller is not blocked and remove any dirt or debris
from t 1) Check that all exposed wires are damaged by the sun, friction with other
objects around them, dryness, insect or rodent damage. Repair or replace the wires if
necessary.he heat sink.
(2) Check that all exposed wires are damaged by the sun, friction with other objects
around them, dryness, insect or rodent damage. Repair or replace the wires if
necessary.
(3) Tighten the screws of all electrical connection terminals as recommended.
(4) Check the grounding of all parts of the system and verify that all grounding conductors
are securely and properly grounded.
(5) Check all terminals for corrosion, insulation damage, high temperature or signs of
burning, discoloration, and tighten the terminal screws to the recommended torque.
(6) Check for dirt, nesting insects and corrosion, and clean as required.
(7) If the arrester has failed, replace the failed arrester in time to prevent lightning damage
to the controller or even other equipment of the user.
Note: Danger of electric shock!
When doing this, you must ensure that all power to the controller has been
disconnected before performing the appropriate checks or operations!