Sennheiser 2020 instruction manual If a problem occurs, Problem Possible cause Possible solution

If a problem occurs...

If a problem occurs...

In the following table, the term “transmitter” refers to both “bodypack transmit- ter” and “radio microphone”.

Problem		Possible cause	Possible solution
No operation		Batteries are flat or	Replace the batteries or recharge
indication on the		accupack is flat	the accupack (see page 33)
transmitter
No radio waves		No RF signal, transmitter	Set transmitter and receiver to
on the receiver display		and receiver are not on	the same channel (see page 35)
		the same channel
		No RF signal, transmitter is	Reduce the distance between receiver
		out of range	and transmitter
		Transmitter is in	Check the signal source
		energy saving mode
		(see page 16)
RF signal available,		Transmitter is muted	Deactivate the muting function
no audio signal,		(MUTE)	(see page 39)
the red LED LOW
BATT/MUTE	lights
up on the transmitter
Audio signal is		Transmitter sensitivity is	Change the sensitivity of the
distorted		adjusted too high	microphone input (see page 42) or
			line input (see page 41)
Operating time of		Normal ageing or damage	Replace the BA 2015 accupack
the transmitter is		of BA 2015 accupack
drastically reduced
Operating time of the		Normal ageing or damage	Have the rechargeable batteries
receivers is drastically		of rechargeable batteries	replaced by a Sennheiser Service
reduced			Department
Occasional drop outs		Distance to the	Reduce the distance to
in the audio signal		transmitter is too great	the transmitter
		Interference is being	Change the system to a different
		received from an	channel
		external source
		Interference is being	Change the transmitters to
		received from a second	different channels
		transmitter

If a problem occurs that is not listed in the above table or if the problem cannot be solved with the proposed solutions, please contact your local Sennheiser agent for assistance.

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