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Tranzit BLU HF
6. Troubleshooting
Issue: No audio from the phone through the car.
Resolution:
Press and hold the Control button for more than 4 seconds to engage the
ISFM2351 for music streaming.
Check for secure connections to the radio, antennas, or 3.5mm.
Check that the radio is on the correct FM station (vehicles without an AUX
input).
Check that the radio is on the Aux source (vehicles with an AUX input).
Check that the phone is playing audio via the Bluetooth output.
Check the volume of the phone, and increase as necessary.
Issue: TranzIt BLU HF does not show in my available Bluetooth devices list
Resolution:
Check that the ISFM2351 has been connected to Accessory 12V + switched
power, (not constant power).
Check that the Black wire is connected to chassis ground.
Verify that the control button has been properly connected, according to
section 3.
Press and hold the control button for 2 to 4 seconds to enter pairing mode.
NOTE:
If Tranzit BLU HF is not showing in available devices list but is showing in
paired devices simply select Tranzit BLU HF to reconnect.
Issue: I cannot pair my phone to the TranzIt BLU HF
Resolution:
Verify that no previously paired devices are within Bluetooth range.
Turn off Bluetooth on any previously paired device, before trying to pair a
new smartphone.
Issue: I cannot hear any actual FM stations
Resolution:
Press and hold the Control Button for more than 4 seconds to disengage
the ISFM2351
Issue: Audio playback from phone is distorted or low compared to other
sources
Resolution:
Adjust the volume on the smartphone while playing music.
Issue: Person on the other end cannot hear my voice during phone calls
Resolution:
Verify that the microphone is securely connected to the ISFM2351.
Verify the location of the microphone is unobstructed.
Issue: Control button does not function
Resolution:
Verify that both the Pink and Black wires from the button are properly
connected to the Pink and Black wires from the TranzitBLU HF. Reference
section 3 for Installation information.
