JVC HA-EC25T

> When in Trouble > Troubleshooting
Troubleshooting
Main Unit
Symptom Action
Unable to pair
Place both earphones into the charging case, wait for the
indicator light to turn off or on, followed by taking out
both earphones again at the same time.
When pairing, make sure the BLUETOOTH device is within
1 m of the System.
Operate the BLUETOOTH device to connect.
Turn on the BLUETOOTH device and enable pairing.
Delete the pairing information on the BLUETOOTH device
list and perform pairing again.
Perform operations after setting the BLUETOOTH function
of the connected device to OFF and then to ON again.
Perform operations after turning off the connected device
and on again.
Refer to the steps to establish a connection.
Connecting (Power On)
Check whether the System is connected to another device.
Turn off the BLUETOOTH settings of other devices and
enable pairing with the desired device.
The earphones
flash and
connection cannot
be established
Turn on the BLUETOOTH device, enable its Bluetooth
function and select the System from the BLUETOOTH
device list.
Place both earphones into the charging case, wait for the
indicator light to turn off or on, followed by taking out
both earphones again at the same time to connect. After
taking out the earphones, move the L and R earphones
close to each other.
Sound is heard
only from the left
or right earphone
Place both earphones into the charging case, wait for the
indicator light to turn off or on, followed by taking out
both earphones again at the same time to connect. After
taking out the earphones, move the L and R earphones
close to each other.
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JVC HA-EC25T Specifications

General

Type	In-ear
Connectivity	Wireless
Bluetooth Version	5.0
Bluetooth Profiles	A2DP, AVRCP, HFP, HSP
Frequency Response	20 Hz - 20 kHz
Impedance	16 ohms
Water Resistance	IPX5
Microphone	Yes
Driver Size	6 mm
Battery Life	6 hours
Charging Case Battery Life	9 hours
Charging Time	2 hours

Summary

Troubleshooting Common Issues

Unable to Pair Bluetooth Device

Troubleshoot Bluetooth pairing by checking distance, device status, and re-pairing.

Earphone Connection Issues

Resolve earphone connection problems by checking Bluetooth status, charging, and earphone proximity.

Sound Heard From Only One Earphone

Fix single-earphone sound issues by ensuring proper charging, connection, and earphone placement.

Choppy Sound or Noise

Address choppy or noisy sound by resetting, checking other devices, optimizing orientation, and reducing apps.

Bluetooth Device Not Functioning Immediately

Troubleshoot delayed Bluetooth device functionality after connection by waiting and retrying.

Touch Sensor Unresponsive

Resolve touch sensor issues by ensuring proper charging, clean fingers, no gloves, and correct touch area.

Low Volume or Unpleasant Sound

Improve sound quality by increasing volume and ensuring secure earphone fit with correct ear piece size.

Unable to Skip Tracks

Fix track skipping issues by performing correct triple-tap for previous and double-tap for next track.

Earphones Falling Off

Ensure earphones stay securely by adjusting the size of the ear pieces for a better fit.

Distorted Sound

Correct distorted sound by adjusting volume on both the connected device and the system, and charging.

Soft Ring Tone

Ensure ring tones are audible by checking silent mode and adjusting volume on the connected Bluetooth device.

System Not Working Correctly

Address general system malfunction by recharging the system and switching it on again.

Unable to Turn On Power

Troubleshoot power issues by charging the charging case and the main unit.

Unable to Charge or Turn Off Earphones

Resolve earphone charging/power off problems by re-inserting, checking contacts, and charging the case.

Unable to Charge Charging Case

Fix charging case issues by verifying USB connection and charging within the specified temperature range.

Earphones Turned On During Charging

This section appears to be a symptom without a clear action, possibly implying a normal state or referring elsewhere.

Indicator Light Status

Refer to the indicator status list for information on flashing and lighting up of the indicators.

No Music or Voice Calls Heard

Resolve no audio issues by deleting Bluetooth pairings and re-pairing the device.