VOLVO
AUM-40FF - Amplifier, main antenna. Signal missing. Intermittent fault
System
Lydenhet (AUM)
Volvo-modeller feilkoden gjelder for
Gjelder følgende modeller:
4 modellerS60 (2001–2009), S80 (1999–2006), V70 (2000–2008), V70 XC / XC70 (2001–2007)
Vis modeller per årsmodell og motor (4)
Hva betyr feilkoden?
The audio unit (AUM) has registered that the power supply to the main antenna is missing, or that the antenna is incorrectly installed. The fault is intermittent. The usual causes are a break in the supply from the head unit, the main antenna not being fitted, or a defective antenna amplifier, and AM reception becomes poor.
Mulige årsaker
- Break in the supply feeding the main antenna from the head unit
- Main antenna not fitted
- Defective antenna amplifier
Hva du kan gjøre
- 1Check the contact resistance, oxidation and wiring to the main antenna
- 2Have a workshop clean and secure the connectors at the antenna amplifier and the audio unit
- 3Make sure the main antenna is fitted correctly
- 4Replace the antenna amplifier if the fault remains after these checks
Symptomer du kan merke1
- Poor AM radio reception
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