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# Troubleshooting
Troubleshooting
Need help with your TX PULSE ATEX? Access our FAQ below or ask your question to the assistant
Maximum number of pulses
The sensor can record a maximum of 4,294,967,295 pulses
Maximum pulse cable length
We recommend not exceeding 3 meters of cable.
Reset the index to zero
To reset the pulse count for each input, please power the transmitter off and then back on.
I can't connect my sensor to my LoRa Easy receiver
If you cannot connect your sensor to your LoRa Easy receiver, first check that the jumper or switch on the product is properly set to LoRa mode before powering the sensor.
If this is not the case:
1. Power off your sensor
2. Set the switch or jumper to the LoRa position
3. Power the sensor back on
{% hint style="info" %}
Also check that the sensor's LoRa ID has been correctly declared on your receiver.
{% endhint %}
I have a steady orange LED on my sensor; what does that mean?
A steady orange L2 LED is characteristic of a low battery level. We invite you to try powering your transmitter with a newer battery to confirm this hypothesis.
How do I decode my sensor's battery status in the Modbus table of the LoRa Easy receiver?
The battery status must be decoded in the "Status" register.
Here, the value read is 0004 (hexadecimal). Convert this hexadecimal value to binary on 16 bits.
0004 (hex) = 00000000 0000**01**00 (binary)
Bits 3 and 2 **in red** are the ones that provide information about the battery level:
**00** = 100%\
**01** = 75%\
**10** = 50%\
**11** = 25%
How do I decode my sensor's battery status in the BACnet objects of the LoRa Easy receiver?
The battery status must be read in the "Battery level" object.
The battery alert level is given on 4 levels:
**0** = 100% remaining\
**1** = 75% remaining \
**2** = 50% remaining \
**3** = 25% remaining (battery replacement to be planned)
I can't connect my sensor to my LoRaWAN network
If you cannot connect your transmitter to the network, first check that the jumper is properly set to LoRaWAN mode before powering the transmitter. The WAN green LED must flash when you power the transmitter. The jumper positions are:
* **LoRaWAN** : a single pin
* **LoRa** **Easy** : two pins
{% hint style="warning" %}
The transmitter must be declared by entering its LoRaWAN keys on your network backend or on your gateway interface **BEFORE connecting the battery**.
{% endhint %}
Decoding my sensor's frames when I use it in LoRaWAN mode
To decode frames from an Enless LoRaWAN sensor, please use our decoding support tools: On which port should downlinks be sent in LoRaWAN?
Downlinks should be sent on port number 1.
What is a Spreading Factor?
The Spreading Factor (SF) in LoRaWAN is used to define the way a sensor sends its data. The lower the SF (e.g. SF7), the faster the message is sent, with lower battery consumption, but over a shorter distance. Conversely, a higher SF (e.g. SF12) allows data to be sent much farther, even with obstacles, but the transmission is slower and consumes more energy. It can be compared to a person speaking quickly to someone nearby, or slowly and clearly to be heard from far away. The choice of SF is therefore a compromise between radio range, battery life, and transmission speed.
How do I change my sensor's transmission period in LoRaWAN mode?
Changing the transmission frequency of a transmitter in LoRaWAN is done via Downlink.
The Excel file below allows you to decode the frames and generate configuration Downlinks:
**Example**: We want to change the transmission period of a 600-023 transmitter to 15 minutes.
Step 1: Please open the attached Excel file and go to the sheet for the transmitter in question.
Step 2: Please change the transmission period and press "Enter" to confirm.
Step 3: A new Downlink taking the new period into account will be generated. Please copy this downlink and paste it into the appropriate field on your gateway. Downlinks should be sent on the **port1**.
How do I switch from one LoRaWAN network to another?
To switch a sensor from one LoRaWAN network to another, you do not need to physically intervene on the sensor. You only need to remove it from the old LoRaWAN network, then declare it on the new LoRaWAN network.
Indeed, every 24 hours, transmitters send a LinkCheckReq message that must be confirmed by a LinkCheckAck from the network. As long as LinkCheckReq messages are confirmed by a LinkCheckAck, the transmitter will not send a new JOIN. If the transmitters are still declared on the old LoRaWAN network, they remain connected to it. On the other hand, if they are declared on the new LoRaWAN network and are no longer provisioned on the old one, the switch to the new LoRaWAN network takes place.
\***JOIN:** this is a network access phase in LoRaWAN that makes it possible to dynamically renew network parameters between the end device and the LoRa Server.
---
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