Sennheiser EK 1038 Instructions for Use - Page 49
Troubleshooting, Error checklist
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Troubleshooting Troubleshooting Error checklist Problem No operation indication No audio signal RF signal available, but no audio signal Audio signal has a high level of background noise Audio signal is distorted L 2015: red LED flashes besides a charging compartment Possible cause Possible solution Batteries are flat or rechargeable battery is flat Replace the batteries or recharge the accupack Transmitter and receiver are not on the Set transmitter and receiver to the same frequency. same frequency . The transmitter is out of range. Reduce the distance between transmitter and receiver. The transmitter's ("MUTE") microphone is muted Deactivate the muting function Defective microphone Replace microphone Defective headphones Replace headphones Transmitter sensitivity is adjusted too see "Adjusting the sensitivity" on low page 47 Transmitter sensitivity is adjusted too see "Adjusting the sensitivity" on high page 47 No contact with the rechargeable battery (contacts are dirty or rechargeable battery is not inserted correctly) Clean the contacts or insert the rechargeable battery correctly rechargeable battery is defective (overaged or defective rechargeable Replace the accupack battery cells) rechargeable battery temperature is Always charge the rechargeable too low or too high battery at room temperature Batteries (primary cells) or individual rechargeable batteries have been Only charge the BA 2015 accupack! inserted If still operating problems with your transmission installation occur, please contact your local Sennheiser agent for assistance. 49