If your unit will not power on at all, the following is troubleshooting information to help you:
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If you are using batteries:
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Trying brand new, unused Alkaline (non-rechargeable) batteries. Note: the R-5 is compatible with Alkaline and Nickel-metal hydride batteries only--Lithium or other battery types are not compatible.
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If you are using a power supply:
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Be sure that you are using a Roland PSB-6U or UDC-25 power supply only. 3rd party power supplies can cause the R-05 to not operate properly.
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If using a PSB-6U:
Be sure that the PSB-6U's power cable is connected securely to the power supply box itself.
You can also try disconnecting the power supply from the R-05 and then reconnecting. - If using a UDC-25:
Be sure that the UDC-25 is connected securely to the USB power adapter or to the computer. For troubleshooting purposes, test on a different USB power adapter or computer. -
If the problem continues, the PSB-6U or UDC-25 may be malfunctioning. The best way to test this is to physically disconnect the PSB or UDC and test with batteries. Please refer to the section above.
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If the problem continues, then the R-05 will need service.
For the R-05 recorders, we recommend that you send them directly to our service facility if they need service. Before sending the product, you must first obtain a Return Authorization number (RA). You can do so by using our online service request form on our site here:
Service Request