# Zigbee stuck in start up

**URL:** <https://community.homey.app/t/zigbee-stuck-in-start-up/152012>\
**Category:** Questions & Help\
**Created:** [March 3, 2026, 5:28pm UTC](https://community.homey.app/t/zigbee-stuck-in-start-up/152012 "2026-03-03T17:28:34Z")\
**Posts on this page:** 1\
**Showing post:** 46

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**Author:** ![Sharkys](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/sharkys/32/54029_2.png) [@Sharkys](https://community.homey.app/u/Sharkys)\
**Post date:** [March 9, 2026, 8:15am UTC](https://community.homey.app/t/zigbee-stuck-in-start-up/152012/46 "2026-03-09T08:15:04Z")

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Btw maybe some additional insights on Tx-Rx, might be helping to some of you :

| Metric | Direction relative to Homey | Meaning |
| --- | --- | --- |
| **TX** | Homey → Zigbee device | Frames transmitted by the Homey Zigbee coordinator |
| **RX** | Zigbee device → Homey | Frames received by Homey from devices |

Typical examples:

**TX (Homey transmitting)**

- On/Off commands
- Level control commands (dimmer)
- Zigbee cluster reads (`ReadAttributes`)
- Configuration writes (`WriteAttributes`)
- Binding or reporting configuration
- Network management traffic

**RX (Homey receiving)**

- Attribute reports (temperature, power, etc.)
- Motion or contact events
- Battery reports
- Device announcements
- Responses to Homey requests

### TX Errors (Zigbee)

**TX errors represent transmissions attempted by Homey that failed at the Zigbee MAC/network layer.**

Typical technical causes:

1. **No acknowledgement (ACK) received**

- Device unreachable
- Weak signal / interference
- Broken routing path

1. **Route failure**

- Coordinator cannot find a valid route to the device
- Routing table expired

1. **Device asleep**

- Common with battery devices
- Transmission happens outside wake window

1. **Network congestion**

- Collision on the 2.4 GHz channel
- Wi-Fi overlap

1. **Frame retry exhaustion**

- Zigbee retries transmission multiple times
- After retry limit → TX error recorded

### Practical interpretation

| Pattern | Likely meaning |
| --- | --- |
| **TX increasing normally** | Homey sending commands/queries |
| **RX increasing normally** | Devices reporting data |
| **TX errors increasing slowly** | Normal mesh retries |
| **TX errors increasing rapidly** | Routing problem or unreachable device |

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_[View the full topic](https://community.homey.app/t/zigbee-stuck-in-start-up/152012)._