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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
Pedal does not work, or is “stuck”
Is the pedal connected correctly?
Plug the cable firmly into the pedal connector.
p. 18
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?
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
apply only to the left tone.
p. 59
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
the left-hand keyboard zone.
p. 32
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
pedal or sostenuto pedal.
p. 59
Unable to read from/write to USB memory
Are you using (optional) Roland USB memory?
Reliable performance cannot be guaranteed if you use non-Roland USB memory products.
—
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
insufficient volume
Could you be using a connection cable that contains a resistor?
Use a connection cable that does not contain a resistor.
—
No sound
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?
The speakers will not produce sound if headphones or plug are connected to the headphone jacks.
p. 23
Has Local Control been set to “OFF”?
When Local Control is set to Off, no sound is produced by playing the keyboard. Set Local Control to On.
p. 71
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
any sound, depending on how the headphones are connected.
p. 33
No sound when you play back a song
Has Local Control been set to “OFF”?
When Local Control is set to Off, no sound is produced by playing the song. Set Local Control to On.
p. 71
Could the song volume be set to “0”? p. 41
No sound from the leftmost notes of the
keyboard
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
sound.
p. 73
No sound (when a MIDI device is connected)
Are all devices powered on? —
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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