Name: Manual for HM-331
Brand: KENWOOD
Availability: InStock

Troubleshooting and error codes

Symptom	Cause	Remedy
Sound is not produced.	The speaker cords are disconnected. The volume control is set to the minimum position. The MUTE key of remote control unit is switched ON. The headphone plug is inserted into the jack. The speaker cords are short-circuited.	Connect properly referring to "System connection". Adjust to an required volume. Switch MUTE OFF. Unplug the headphone plug. Turn the unit OFF, remove the short-circuit and turn the unit ON again.
No sound from the headphones.	Imperfect insertion.	Insert correctly.
Sound is not produced from the left or right speakers.	The speaker cords are disconnected. The BALANCE is set completely to the left or right channel.	Connect properly referring to "System connection". Adjust the optimum left and right balance.
The clock display blinks with- out changing the figures.	There was a power failure. The power cord was unplugged from the outlet.	Adjust the present time again.
Timer operation is not pos- sible.	The present time has not been adjusted or there was a power failure. The timer ON time and OFF time have not been set. The timer execution was not set up.	Adjust the present time referring to "Clock adjustment". Set the timer ON time and OFF time. Press the TIMER key to set up the execution.
Radio stations cannot be re- ceived.	The antennas have not been connected. A proper broadcasting band has not been selected. The frequency of the station to be re- ceived is not tuned.	Connect antennas. Select a band. Tune to the frequency of the desired station.
Noise interferes.	Car ignition noise. Influence of an electric appliance. A TV set is installed near the system.	Install the outdoor antenna in an apart position from the road. Switch the suspected electric appliance OFF. Install the TV or the system at an in- creased distance between them.
A station has been preset but it cannot be received by press- ing the P.CALL key.	The frequency of the preset station is not tunable. The preset memory has been cleared because the power cord has been un- plugged for a long period.	Preset stations with tunable frequen- cies. Preset stations again.
A CD is placed in the player but it cannot be played.	The disc is placed upside down. The disc position is displaced. The disc is extremely dirty. The disc is scratched. Dew is condensed on the optics lens.	Place the disc properly, with the label side facing upward. Place the disc properly. Clean the disc referring to "Disc han- dling precautions". Try another disc. Refer to "Caution on condensation" and remove the condensation by evaporation.
Sound is not produced.	The disc has not been placed. The player is not put to the play mode. The disc is extremely dirty. The disc is scratched.	Place a disc in the CD player. Press the ►/II key. Clean the disc referring to "Disc han- dling precautions". Try another disc.
Sound skips.	The disc is dirty. The disc is scratched. The player is subject to vibration.	Clean the disc referring to "Disc han- dling precautions". Try another disc. Install the unit in a place not subject to vibrations.
Remote control operation is not possible.	Batteries are exhausted. The remote control is too far away from the system, the controlling angle is devi- ated or there is an obstacle in between. The component to be played is not loaded with a CD or cassette tape.	Replace with new batteries. Operate the unit inside the remote con- trollable range. Load a CD or cassette tape in the com- ponent to be played.