חיפוש קל בגוגל:

אין במשדר סוללת גיבוי, אבל יכולה להיות תקלה אחרת שתדרוש ניתוח כירורגי במשדר -


This can happen when the radio is reverse polorized. There is a diode that gets burnt out. Since it is a flash memory it just goes back to the model that is was on prior to the diode going out. Send it in and can be repaired pretty quickly.