Kuna Chime Not Working? 5 Proven Fixes to Restore Sound

Is this your issue?

Chime doesn't ring when doorbell is pressed
Kuna App shows chime as disconnected
Chime volume is too low or muted
Transformer voltage is outside 16-24V AC range
Kuna Camera Floodlight LED indicator is not solid blue
Wireless chime is out of range or blocked by metal objects

Sound familiar? The guide below will help you fix it.

Your Kuna Chime Isn't Working? Try These Fixes

Kuna chime failures are often linked to pairing issues, power supply problems, or firmware compatibility. This guide covers brand-specific diagnostics, model-specific resets, and app settings to restore your chime's functionality. If your chime isn't ringing, follow these steps to resolve the issue quickly.

Quick Fixes for Immediate Results

Act swiftly with these 30-second checks to address common causes:

Power cycle your chime: Unplug the chime or remove its battery for 30 seconds, then reconnect it.
Restart the Kuna App: Force-close the app and reopen it to refresh the connection.
Check LED status: For Kuna Camera Floodlight chimes, confirm the LED indicator is solid blue when paired.
Verify power supply: For hardwired chimes, ensure the transformer voltage is within 16-24V AC at the junction box.
Confirm app login: Ensure you're logged into the Kuna App with the correct account.

Systematic Kuna Problem Solving

Check Your Kuna Chime's Pairing Status

Open the Kuna App and navigate to Device Health.
Look for your chime in the list of devices. If it's missing, re-add it via Devices → Add New Chime.
For wireless chimes, ensure the battery level is above 20% in the app. Charge or replace the battery if necessary.
For hardwired chimes, confirm the transformer voltage is within 16-24V AC using a multimeter. Adjust the transformer if needed.

Reset Your Kuna Chime

Kuna DualCam Video Doorbell: Press and hold the reset button on the back of the doorbell (accessible after removing it from the mount) for 15 seconds until the LED flashes rapidly.
Kuna Camera Floodlight: Press and hold the reset button on the underside of the housing for 15 seconds until the LED indicator flashes.
After resetting, re-add the chime via the Kuna App → Devices → Add New Chime.

Update Firmware

Open the Kuna App and go to Settings → System Update.
If an update is available, follow the prompts to install it. Ensure both the doorbell and chime are on the same Wi-Fi network (2.4GHz only).
Restart the chime and doorbell after the update to apply changes.

Adjust Chime Settings

Open the Kuna App and go to Device Health → Chime Volume.
Ensure the chime isn't muted or set too low. Adjust the volume to a suitable level.
For electronic chimes, enable Motion Detection Settings in the app and set the chime to 'Always On'.

Check for Interference

Ensure wireless chimes are within 30 metres of the doorbell and no metal objects are blocking the signal.
For Kuna Camera Floodlight users, confirm the LED indicator is solid blue when paired.
If interference persists, move the chime closer to the doorbell or adjust the position of nearby Wi-Fi routers and Bluetooth devices.

Advanced Kuna Chime Troubleshooting Techniques

Factory Reset and Re-Pairing

If your chime still isn't working, perform a factory reset as described earlier and re-add it via the Kuna App → Devices → Add New Chime. If the issue persists, contact Kuna support via https://help.getkuna.com for further assistance.

Technical Diagnostics

Open the Kuna App and go to Device Health → Network Connection Check.
Ensure the chime is connected to the same Wi-Fi network (2.4GHz only) as the doorbell.
If the chime is unresponsive, re-add it via the Kuna App → Devices → Add New Chime.

Understanding the Root Causes

Kuna chime failures often stem from incorrect pairing, low battery levels, or incompatible hardware. UK-specific challenges, such as transformer voltage mismatches (16-24V AC) or RCD-protected circuits, can also impact performance. Ensure your chime is compatible with your doorbell model and follow the Kuna App → Settings → Chime Compatibility guidelines to avoid compatibility issues.

How to Prevent Future Kuna Issues

Regularly check the Kuna App → Device Health to monitor your chime's status. Ensure the transformer voltage is within 16-24V AC for hardwired chimes and replace batteries in wireless chimes when levels drop below 20%. Full disclosure: we built scOS to address exactly this—the frustration of chimes that fail to ring despite a working doorbell. scOS uses permanently powered cameras connected via ethernet, eliminating battery-related issues.

Kuna Chime Repair vs. Replacement Guide

Kuna chimes typically last 3-5 years for wireless models and 5-8 years for hardwired units. If troubleshooting exceeds 30 minutes and basic steps (restart/reset/reconnect) haven't resolved the issue, the problem is likely hardware-related. Under the Consumer Rights Act 2015, UK consumers have up to 6 years to claim faulty goods. Replace your chime if it's beyond its lifespan or if repairs are no longer viable.

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Frequently Asked Questions

Begin by checking the Kuna App → Device Health to confirm your chime is paired correctly. For wireless chimes, ensure battery levels are above 20% in the app. If using a hardwired chime, verify the transformer voltage is within 16-24V AC at the junction box. Third-party chimes must be compatible with Kuna systems via the Kuna App → Settings → Chime Compatibility. For Kuna Camera Floodlight users, confirm the LED indicator is solid blue when paired. If the chime is unresponsive, re-add it through the Kuna App → Devices → Add New Chime.

To reset a Kuna chime, follow model-specific steps: Kuna DualCam Video Doorbell users should press and hold the reset button on the back of the doorbell (accessed after removing from mount) for 15 seconds until the LED flashes. For Kuna Camera Floodlight chimes, press the reset button on the underside of the housing for 15 seconds. After resetting, re-add the chime via the Kuna App → Devices → Add New Chime. Ensure wireless chimes are within 30 metres of the doorbell, and no metal objects are blocking the signal. For hardwired chimes, confirm the transformer voltage is within 16-24V AC using a multimeter.

Check the Kuna App → Device Health → Chime Volume to ensure the chime isn't muted or set too low. For wired chimes, verify the transformer voltage at the junction box is within 16-24V AC using a multimeter. If using a mechanical chime, confirm the doorbell button is wired correctly to the chime relay. For electronic chimes, ensure the Kuna App → Motion Detection Settings are enabled and the chime is set to 'Always On' in the app. If the chime is a wireless model, check for interference from Wi-Fi routers or Bluetooth devices. For Kuna Camera Floodlight users, ensure the LED indicator is solid blue when paired.

If your Kuna chime still isn't working after basic troubleshooting, check for firmware updates in the Kuna App → Settings → System Update. Ensure the doorbell and chime are on the same Wi-Fi network (2.4GHz only). For Kuna Camera Floodlight users, confirm the LED indicator is solid blue when paired. If the issue persists, contact Kuna support via https://help.getkuna.com for further assistance. If the chime is unresponsive, re-add it through the Kuna App → Devices → Add New Chime.