If problems occur...
Error checklist
Problem | Possible cause | Possible solution |
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No operation indication | Batteries are flat or | Replace the batteries or |
| accupack is flat | recharge the accupack |
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| No mains connection (EM 300 G2) | Check the connections of the mains unit |
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No RF signal | Transmitter and receiver are not on the | Set transmitter and receiver to the |
| same channel | same channel |
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| Transmitter is out of range | Check the squelch threshold setting |
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| (see “Adjusting the squelch threshold |
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| (EM 300 G2 only)“ on page 31) or |
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| reduce the distance between |
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| transmitter and receiving antenna |
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RF signal available, no audio | Transmitter is muted (“MUTE”) | Deactivate the muting function |
signal, “MUTE” display appears |
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Receiver’s squelch threshold is adjusted | See “Adjusting the squelch threshold | |
on the display panel | too high | (EM 300 G2 only)” on page 31 |
| ||
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| Transmitter doesn’t transmit a | See “Activating/deactivating the pilot |
| pilot tone | tone transmission or pilot tone |
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| evaluation” on page 33 |
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Audio signal has a high level of | Transmitter sensitivity is adjusted too | See “Adjusting the sensitivity |
background noise | low | (transmitters only)” on page 30 |
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| Receiver’s AF output level is adjusted | See “Adjusting the audio output level |
| too low | (EM 300 G2 only)” on page 31 |
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Audio signal is distorted | Transmitter sensitivity is adjusted too | See “Adjusting the sensitivity |
| high | (transmitters only)” on page 30 |
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| Receiver’s AF output level is adjusted | See “Adjusting the audio output level |
| too high | (EM 300 G2 only)” on page 31 |
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No access to a certain channel | During scanning, an RF signal has been | See “Scanning the channel banks for |
| detected on this channel and the | free channels (EM 300 G2 only)” on |
| channel has been locked | page 29 |
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| During scanning, a transmitter of your | See |
| system operating on this channel has | page 30 |
| not been switched off |
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If problems occur that are not listed in the above table or if the problems cannot be solved with the proposed solutions, please contact your local Sennheiser agent for assistance.
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