IPA8200 Owner’s Manual 11
Troubleshooting
Indicator(s) Possible cause Remedy Protection circuit
CLIP indicator is
lit.
Output exceeds 100 W
(8Ω) 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 (4Ω 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.