Detection of LED solar street light lamp holder quality method

There are often customers friends asked me what was not lit the lamp holder, how to check the lamp holder. Solar street lamps manufacturer said to share with you about a few simple method. Say first LED lamp holder, divided into two kinds: one kind is the built-in constant-current source, one kind is not with a constant current source, without a constant current source in the lamp holder and points more than 3 or 3 chain. If is the lamp holder with constant current source, then across the electrodes of lamp holder output directly connect battery output, check whether the lamp holder from controller can normal light, if not lit, a built-in constant-current source will be the tear down, change a try again, or directly with the corresponding control constant current all-in-one try, if it can be lighted, then the built-in constant-current source is broken, the original or is the lamp bead is broken.

if it is not in the same way with the lamp holder of constant current source, will be the same engineering change to try other good controller, if a change is good, that means the original solar street lamps controller may exist problems, or there is something wrong with the lamp light source, lamp holder, please check the line if you have any questions, check the lights, do you have any damage. Check dead lamp bead can use battery each check 3 or 4 lamps bead, one by one. Confirm the lamp holder, in general, if there is a problem or is more convenient, customer friend if there is a problem in the construction site, please try to talk to the controller we do communication and avoid unnecessary expenses.