Yamaha 001PO-03C0 Manual Do Utilizador
IPA8200 Owner’s Manual
11
Troubleshooting
Indicator(s)
Possible cause
Remedy
Protection circuit
CLIP indicator is
lit.
lit.
Output exceeds 100 W
(8
(8
Ω) or 200 W (4Ω).
Lower the input level.
Limiter circuit will operate
to protect the power amp
and power supply.
to protect the power amp
and power supply.
PROTECT indi-
cator is lit.
cator is lit.
Speaker output connec-
tor is shorted.
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.
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.
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.
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
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.
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.
operate to protect the
power amp.
A DC offset voltage is
being output to the
speaker output connector.
being output to the
speaker output connector.
Consult your Yamaha dealer.
The protection circuit will
operate to protect the
speakers.
operate to protect the
speakers.