My grow-light is composed with 12 led module Samsung SL-B8R5C9H2AWW, each strip works at Vf 43.1V and If 1200mA.
Therefore I order 3 meanweel driver ELGC-300-L-AB which is operating at maximum 240V and current range 650mA~2000mA.
Therefore 1 driver might able to easily supply a set of 4 led module in serie. However only 3 we’re lighting up.
I try each one separately, they works.
I try many different led module order, each time the 3rd stay dark.
Is there anyone which understands the defect ?