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AE-2400-LED can switch various loads, including Incandescent, Halogen, Low voltage Halogen, LED, CFL, and linear fluorescent lamps. When AE-2400-LED is 
connected and powered up, the lights can be turned on by moving the hand in front of the switch plate. When the hand enters the switch sensing range, the lights will 
turn on. The hand should then move out of the sensor range. When the hand enters the switch sensing range again, the lights will turn off. Each time the hand enters 
the sensing range, the switch will change it's on/off state. If the hand remains inside of the switch sensing range, no switch state change will occur.

The switch plate can be removed and replaced at any time, without first switching the power off at the fuse. But when removing the switch plate please note, that the switch 
will enter the calibration cycle whenever the switch plate is removed, attached, or moved. The cycle will last for about 1-2 minutes during which 
the switch will be unresponsive. 

The indicator LED is turned on when the switch is turned off and vice versa. 

NOTE: When the power is supplied to the switch, its state will always be in the “off” position, regardless of its state when it was powered down. 

Whenever the hand enters the 
sensing range in front of the 
switchplate light turns on/off

Moving the hand while staying in
sensing range doesn’t have any 
effect on the switch operation. To 
turn the switch on/off, the hand
must first LEAVE the sensing
range.

SYMPTOM

The light doesn’t turn on

The switch doesn’t react to hand 
movement

Switch  operation is inconsistent
(it doesn’t react consistently to the
hand movements)

Difficult to switch the lights on 

AE-2400-LED  TOUCHLESS SWITCH WITH LIGHT INDICATOR OPERATIONAL MANUAL

Turn the lights on and off:

Troubleshooting

Note: 

A touchless switch with an attached switchplate is depicted in the above examples. The switch mechanism  is visible in the images for clarity but with typical 

installation it would be hidden inside the wall box and only the switchplate would be visible on the wall surface. 

  

POSSIBLE CAUSE

Faulty wiring 

Faulty light bulb

Switch entered the calibration mode

Close proximity of moving objects

Unshielded or poorly shielded 
transformers or power supplies near 
the switch, switch wiring or as a 
switch load.

Connected light has a dead time 
before switching on

SOLUTION

Check if the switch is connected according to the connection diagram. 
Check if the fuse is turned on after connecting

Check the lightbulb and replace it if necessary.

If the switchplate is exchanged, moved, removed, or re-attached, the switch
automatically enters the calibration mode, during which it does not react to any hand 
movement. Wait for approx. 1-2 minutes for the dimmer to complete the cycle. 

Switch sensor reacts to any moving object in the sensing range that is large enough. 
Check if any object close to the sensor can move into or close to the sensor range 
(such as curtains, hanging wires, ropes, or wall decoration).

Check if the switch plate is securely fixed. Moving the switch plate even slightly can 
cause unreliable switch operation. 

Poorly shielded transformers, drivers, and power supplies can cause excessive 
EMI (electromagnetic interference), that can cause unreliable switch operation. Use 
only certified and properly shielded power supplies. 

Reduce sensing range to decrease sensibility

Some light sources, especially fluorescent lights have a significant delay between 
the moment the power is applied to them and the moment the light turns on. This
delay can be several seconds in length. Due to this delay, no light will be emitted 
from the light source at the moment the user turns the switch on. A user unfamiliar 
with this behaviour could falsely think that the switch didn’t react to their “on” 
command and try to activate the switch again. But this second motion would in fact 
turn the switch off. To resolve this, turn the switch on and wait for a couple of 
seconds. Listen to discrete click sound from inside of the switch, indicating the 
switch has actually turned on.

Alternatively, use the switch version with the sound feedback option.

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