Solar Controller-SCM48100 User Manual
and operation steps indicated in 2.5 above.
3.4 Maintenance of Solar Photovoltaic Panel
Solar photovoltaic panel is an important part of the whole photovoltaic power generation system. It
is related to the photovoltaic utilization efficiency of the whole system. Therefore, the installation
firmness of photovoltaic panel and the surface cleanness of photovoltaic panel must be ensured.
1. Make sure the photovoltaic panel is disconnected first. Then, output and backup battery can be
disconnected. The order shall not be turned reverse.
2. Check if the photovoltaic plane is firm constantly.
3. Check the electric leakage at the connection of conductor to prevent electric leakage in rainy
and snowy days.
4. Clean and maintain the surface of panel on a regular basis.
3.5 Other Maintenance
Handling measures after occurrence of faults:
1. As for some general faults of the equipment, user may read the instruction manual carefully and
judge and eliminate such faults according to the manual under the precondition that the user fully
grasps the method.
2. If faults not eliminable occur, professional technical personnel shall be requested to repair. Or
the user may directly contact us.
3.6 Diagnosis of Common Abnormal Problems
After you start the controller, you may find the possible causes by referring to Table 3-1 if the
controller cannot work or abnormality occurs after the controller works for a certain period of time.
Meanwhile, check if the faults are caused by external environment, for example, if temperature
and humidity do not meet the requirements. If the controller still cannot work normally after
methods indicated in Table 3-1 are followed, please hand over it to the professionals for repair.
This chapter only contains some simple fault diagnosis procedures. If the diagnosis answers are
not very clear, or the information obtained is not enough to solve the problem, please contact with
local agency or distributor.
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