Some older Renpho models (like the R3) have a removable 18650 or lithium-polymer battery pack located in the handle. If yours has a latch at the bottom, slide it open and remove the battery completely. Note: Most newer models (R4, R5, Mini) have sealed batteries. If sealed, skip to Step 3.
Never use the bullet head (pointy tip) near your spine, knee, or elbow. If the gun stalls against bone, the motor draws maximum current. Doing this repeatedly fries the control board. Use the flat head or fork attachment for bony areas. how to reset renpho massage gun
: The internal temperature is too high. Power off the unit and let it cool down for at least 30 minutes before using it again. Some older Renpho models (like the R3) have
If you are experiencing these issues, don't panic. In 90% of cases, a soft reset or a battery recalibration will solve the problem. If sealed, skip to Step 3