Troubleshooting; Error Checklist - Sennheiser EK 1038 Instructions For Use Manual

Troubleshooting

Error checklist

Problem Possible cause
No operation Batteries are flat or rechargeable
indication battery is flat
Transmitter and receiver are not on the
same frequency.
No audio signal
The transmitter is out of range.
The transmitter's microphone is muted
("MUTE")
RF signal available,
but no audio signal Defective microphone
Defective headphones
Audio signal has a
Transmitter sensitivity is adjusted too
high level of
low
background noise
Audio signal is Transmitter sensitivity is adjusted too
distorted high
No contact with the rechargeable
battery (contacts are dirty or
rechargeable battery is not inserted
correctly)
rechargeable battery is defective
L 2015:
(overaged or defective rechargeable
red LED flashes
battery cells)
besides a charging
compartment
rechargeable battery temperature is
too low or too high
Batteries (primary cells) or individual
rechargeable batteries have been
inserted
If still operating problems with your transmission installation occur, please contact your local Sennhe-
iser agent for assistance.
Possible solution
Replace the batteries or recharge the
accupack
Set transmitter and receiver to the
same frequency .
Reduce the distance between
transmitter and receiver.
Deactivate the muting function
Replace microphone
Replace headphones
see "Adjusting the sensitivity" on
page 47
see "Adjusting the sensitivity" on
page 47
Clean the contacts or insert the
rechargeable battery correctly
Replace the accupack
Always charge the rechargeable
battery at room temperature
Only charge the BA 2015 accupack!
Troubleshooting
49