Troubleshooting
9.2 Troubleshooting LED Lights
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Operator’s Manual | LTV 4L/6L | 5100065071 | 02/2023 | [en-US]
Problem Cause Remedy
Individual module
or LEDs do not il-
luminate
The module or LEDs burnt out. Replace the LED module.
Replace the LEDs PCB board.
Entire light flashes The circuit voltage exceeds the applicable volt-
age range of the drive power supply.
Adjust the circuit voltage to ensure it is within
the applicable LED light voltage range.
The circuit connection point of the input end of
the LED light is poor.
Tighten the connection point to make sure
the connection is firm.
There is insufficient output voltage at the output
end of the drive power supply.
Replace the drive power supply.
Light output is dim The LED light module has been used for more
than the rated life, and there is light decay.
Replace the LED module.
The LED light has been used for more than the
rated life, and there is light decay.
Replace the LED‘s PCB board or the LED
light.
The light-emitting surface of the LED light mod-
ule is polluted.
Remove the pollutants or replace the LED
light module.
The drive power supply is abnormal and the out-
put current is small.
Replace the drive power supply.
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