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| Troubleshooting |
PROBLEM |
| CAUSE |
| SOLUTION |
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No sound | • | Power | • | Check if |
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| power switched on |
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| • | VACATION switch set to VACATION | • | Set the VACATION switch to ON |
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| • | The Protection mode is engaged | • | Switch amplifier off via VACATION switch. Make |
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| sure ventilation slots on top, side, and back of the |
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| amplifier are not blocked. After amplifier has |
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| cooled down, switch the amplifier on |
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| • | External fuse blown | • | Replace fuse |
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| • | Consult dealer/installer |
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No sound in one channel | • | Speaker not properly connected or damaged | • | Check all connections both at the speakers and |
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| at the amplifier |
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| • | Input cable pulled loose or making poor contact | • | Check leads and |
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| at |
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| • | • | Switch the amplifier to VACATION mode, check | |
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| or speaker cable |
| and replace cables if necessary |
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Weak bass/ poor stereo image | • | Speakers wired | • | Reverse connections at the back of the suspect |
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| amplifier output |
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| • Check connections to all speakers in the affected | |
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| zone/room |
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Low or distorted sound in one zone/room | • | Shorted speaker cable to zone/room | • | Switch off amplifier via VACATION switch and |
and OMC LED on |
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| remove one at a time a pair of speaker cables |
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| from the amplifier, then switch the VACATION |
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| switch to the ON position and restore audio |
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| source. Continue this procedure until the OMC |
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| LED does not turn on. Replace the shorted |
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| speaker cable to the zone/room |
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| • | Too high of an input level to one or more | • | Turn down the input level to the room/zone that |
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| amplifier channels |
| may be suspect |
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| • | Too low an impedance on one or more amplifier | • | Too many speakers connected to one channel, or |
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| zones/rooms |
| incorrect speaker pad or matching transformer |
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| impedance settings. Remove some speakers or |
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| check speaker pad and/or documentation |
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| supplied from the speaker pad manufacturer for |
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| correct impedance settings |
• Damage to speaker pad. Replace speaker pad
SVENSKA PORTUGUÊS ITALIANO ESPAÑOL NEDERLANDS DEUTSCH FRANÇAIS ENGLISH
17
