Roland HP305, HP302 important safety instructions Troubleshooting, No sound, Symptom Cause/Action

Troubleshooting

If you think there’s a problem, read this first.

Symptom	Cause/Action	Page
Power does not turn on	Is the power cord connected correctly?	p. 18
	Is the pedal connected correctly?	p. 18
	Plug the cable firmly into the pedal connector.
	If you disconnect the pedal cord from the HP305/HP302 while the power is on, the pedal effect may remain
	“stuck” in the On condition.	—
	You must power-off the HP305/HP302 before connecting or disconnecting the pedal cord.
	Could you have changed how the pedal effect is applied?
Pedal does not work, or is “stuck”	If the right pedal part is set to Right, the pedal will apply only to the right tone; if it is set to Left, the pedal will	p. 59
	apply only to the left tone.
	Could Twin Piano be turned on?
	If Twin Piano is on, the right pedal will affect only the right-hand keyboard zone and the left pedal will affect only	p. 32
	the left-hand keyboard zone.
	Could you have changed the function of the pedal?
	If you’ve switched the function of the soft pedal or sostenuto pedal, these pedals will not operate as the soft	p. 59
	pedal or sostenuto pedal.
	Are you using (optional) Roland USB memory?	—
	Reliable performance cannot be guaranteed if you use non-Roland USB memory products.
Unable to read from/write to USB memory
	If you are unable to read or write USB memory successfully, change the External Memory setting.	p. 63
“Buzz” is heard from external devices	Are the external devices connected to more than one AC power outlet?	—
	If you connect external devices, be sure to connect them to the same AC outlet.
Device connected to the Input jacks have	Could you be using a connection cable that contains a resistor?	—
insufficient volume	Use a connection cable that does not contain a resistor.
No sound
	Could the HP305/HP302’s volume or the volume of the connected equipment be turned down?	p. 21
	Could headphones be connected?
	Could there be a plug inserted in a headphone jack?	p. 23
	The speakers will not produce sound if headphones or plug are connected to the headphone jacks.
No sound	Has Local Control been set to “OFF”?	p. 71
	When Local Control is set to Off, no sound is produced by playing the keyboard. Set Local Control to On.
	Could Twin Piano mode be set to “2(Individual)”?
	If you connect headphones when Twin Piano is “on” and the mode setting is “2 (Individual),” you might not hear	p. 33
	any sound, depending on how the headphones are connected.
	Has Local Control been set to “OFF”?	p. 71
	When Local Control is set to Off, no sound is produced by playing the song. Set Local Control to On.
No sound when you play back a song
	Could the song volume be set to “0”?	p. 41
No sound from the leftmost notes of the	Is V-LINK switched on?
	When V-LINK is on, the lowest twelve notes of the keyboard are used to control the image, and will not produce	p. 73
keyboard
	sound.

Are all devices powered on?

—

No sound (when a MIDI device is connected)

Are the MIDI cables connected correctly?

p. 69

Do the MIDI channels of the HP305/HP302 and the connected device match?

p. 70

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