User Manual
150
Reference / Troubleshooting
Troubleshooting
IfyouthinkthattheH4nProisoperatingstrangely,checkthefollowingitemsrst.
Recording/playback trouble
◆ There is no sound or output is very quiet
• 
Check the connections to your monitoring system and its volume setting.
• 
Conrm that the volume levels of tracks 1–4 are not too low.
◆ Recorder stops during playback
• If playback is started when a track is in recording standby, a temporary le is 
created on the H4n Pro.  If the remaining capacity of the SD card is low, the 
temporary le may use all the remaining space, causing playback to stop. In this 
case, end recording standby of the track.
◆ Sound from connected instruments cannot be heard or 
is very quiet
• Check the input source settings. (→ P045)
• Conrm that the recording level settings are suitable. (→ P045)
• If INPUT 1 or 2 jacks are used, raise the output level of the connected device.
• When the monitor function (→ P070) is off, an input signal can only be moni
-
tored if its track is set to recording standby or if  the  recorder  is  in recording 
standby.
◆ Cannot record on a track
• Conrm that the REC button and that TRACK button are lit red.
• If a project is protected, recording is not possible. Use another project or turn 
protection off. (→ P125)
• Conrm that an SD card is loaded in the slot.
• Conrm that the hold function is not activated. (→ P018)
•  If  “Card  Protected!”  appears  on  the  display,  the  SD  card  write-protection  is 
enabled.  Slide  the  write-protection  switch  on  the  SD  card  to  disable  write-
protection.
◆ Cannot bounce
• Conrm that the volume levels of tracks 1–4 are not too low.
• Conrm that the SD card has enough open space.
Other trouble
◆ Cannot use eects
• Conrm that the effects are on. Effects are off in MTR mode by default.
◆ Cannot use tuner
• Conrm that the jack to which the instrument is  connected  is  selected as the 
input source.
◆ Computer does not recognize it even though it is con-
nected to a USB port
• Conrm that the operating system is compatible. (→ P033)
• The operation mode must be set on the H4n Pro to allow the computer to rec
-
ognize it. (→ P031)










