Yamaha 001PO-03C0 Manual Do Utilizador

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IPA8200  Owner’s Manual
11
Troubleshooting
Indicator(s)
Possible cause
Remedy
Protection circuit
CLIP indicator is 
lit.
Output exceeds 100 W 
(8
Ω) or 200 W (4Ω).
Lower the input level.
Limiter circuit will operate 
to protect the power amp 
and power supply.
PROTECT indi-
cator is lit.
Speaker output connec-
tor is shorted.
Check whether the speaker output con-
nector or speaker cable could be shorted, 
and then power-cycle the IPA8200.
If the PROTECT indicator is still lit, con-
tact your Yamaha dealer.
The protection circuit will 
operate to project the 
power amp and power 
supply.
The power amp section’s 
heat sink temperature has 
exceeded 95°C or the 
power supply section’s 
heat sink temperature has 
exceeded 85°C.
Check whether there might be blockage 
at the air intake or a ventilation problem 
inside the rack, and verify that the load 
impedance of the connected speakers is 
not below the rated value (4
Ω or 8Ω/
BRIDGE).
Then wait until the unit’s temperature has 
dropped, and power-cycle the unit.
If the PROTECT indicator is still lit, con-
tact your Yamaha dealer.
The protection circuit will 
operate to protect the 
power amp.
A DC offset voltage is 
being output to the 
speaker output connector.
Consult your Yamaha dealer.
The protection circuit will 
operate to protect the 
speakers.