Hisense L9HE Series - User Manual

Leroy BoydNov 9, 2025

What to do if the warning indicator light is on for Hisense Projector?

J
Jason BerryNov 9, 2025
If the warning indicator light is on, there might be a few reasons: * There could be an obstruction in the air outlet or inlet (ensure a 20cm clearance on both sides), or the ambient temperature might be too high (above 35°C). In this case, remove the obstruction or lower the ambient temperature. * It's possible the NTC (Negative Temperature Coefficient) thermistor is faulty or not properly connected. Check it by shutting down cooling to 25 degrees. A good NTC should measure around 10K. If the resistance is too high or low, replace the NTC resistor. * A foreign object may be jamming the fan. If so, clean the fan. * The fan itself might be broken, requiring a replacement. * There could be poor fan transmission. If the fan, directly connected to the display board, flashes slowly o...

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L9HE Series

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