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Reset a BiSecur hand transmitter – Erasing and resetting all the codes to 128bit mode and replacing batteries

To reset a BiSecur hand transmitter erasing and resetting all the codes to 128bit mode

1. Remove the battery for 10 seconds.

2. Press and hold one of the buttons on the hand transmitter and re-insert the battery (and the battery cover for the HS1 BS / HS4 BS/ HS5 BS).

3. The LED will start a series of flashes –

Blue flashing – slow for 4 seconds, fast for 2 seconds, on solid for a short time.

4. Release the button as soon as the series of blue flashes has finished. Do not continue to hold the button through the red series of flashes as this will reset the transmitter into 40 bit mode.

The hand transmitter is now in 128 bit mode all the code for each button are reset. The LED will illiminate BLUE when the buttons are pressed.

Replacing / Removing Batteries

The Hormann HS1 BS, HS4 BS and HS5 BS have a removable battery cover that is unlocked and locked by turning.

The HSE2 BS has a removable black cover that needs to be prised off with the use of a small screwdriver or tool.

Hormann BiSecur Reset Hand Transmitters

Video demonstrating procedure

More information

View more Hormann how to guides.


5 comments on “Reset a BiSecur hand transmitter – Erasing and resetting all the codes to 128bit mode and replacing batteries

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Aristotelis on February 16, 2019 9:54 am

Hi, I have a HSE2 868 BS transmitter which was working fine until I had the battery changed.
Now it lost its programming.
When I press it it flashes red twice.

I tried programming but nothing. Keeps flashing twice red.

Tried resetting but keeps flashing twice red. Tried several times but to no different result.

Help please.

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Daniel on March 4, 2019 4:39 pm

Hi, The red flash usually indicates low battery power. It may be worth trying a different battery.

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Peter on January 21, 2020 7:48 am

How i can reset and remove all transmiter from SuperMatic E and then again programm the same transmiter also after reset…?

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Daniel Bowen on November 22, 2020 1:23 pm

Hi, my transmitter is stuck in 40-bit mode (LED light is always red)… how do I get it back to 128-bit? (Back to blue)


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Daniel on November 22, 2020 8:54 pm

If you hold down a button then insert a battery the LED will start a series of blue flashes, let your finger off the button as soon as the LED starts to flash red. This will reset the handtransmitter into series 3, 128 bit mode. A couple of things to note, the LED will come on red when the battery is failing but it should revert to blue on the next press. Also I have seen some faulty hand transmitters where the LED is always red. They still transmit the code and work ok but it is harder to work out the reset procedure.

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