Yamaha IPA8200 Owner's Manual download pdf (Page 11)

IPA8200 Owner’s Manual

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.

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Yamaha IPA8200 Owner's Manual Page 11

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