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Troubleshooting
Incorrect operations are often mistaken for trouble and malfunctions. If you think that there is something wrong with
this component, check the points below. Sometimes the trouble may lie in another component. Investigate the other
components and electrical appliances being used. If the trouble cannot be rectified even after exercising the checks
listed below, contact the Pioneer Service Center specified on your warranty card.
Power
No sound
Symptom Cause Remedy
The power does not turn on. • The power plug is disconnected. • Connect the power plug to the wall outlet.
• The protection circuit may have been
activated.
• Disconnect the power plug from the outlet, and insert
again.
• Something is obstructing the rear panel fan. • Unplug the amplifier from the wall and call the Pioneer
Service Center specified on your warranty card.
The amplifier suddenly switches
off.
• The speaker wires are frayed or sticking out
of the jack, and are touching the back of the
amplifier or another set of wires.
• Reinsert the speaker wires, making sure there are no
stray strands of wire and that they are inserted fully.
• The amplifier has a serious problem. • Unplug the amplifier from the wall and call the Pioneer
Service Center specified on your warranty card.
During loud playback the power
suddenly switches off.
• The protection circuit has been activated
because the lowest actual impedance of the
speakers (as opposed to the speakers rated
impedance) is dangerously low.
• Turn down the volume.
• When its convenient, go to Acoustic Calibration EQ on
page 55 and lower the 63 Hz and 125 Hz equalizer levels
using the manual setting.
• Turning the digital safety feature on may allow you to
turn up the volume a little more. To switch between
SAFETY 1 (medium effect), SAFETY 2 (more effect) and
SAFETY OFF, put theamplifier into standby, then press the
STANDBY/ON button while holding down the OPTION
button on the front panel. If the power switches off even
with SAFETY 2 switched on, turn down the volume.
AMP ERR blinks in the display,
then the power automatically
switches off.
• The amplifier has a serious problem. • After about a minute (you won’t be able to switch the
unit on during this time), switch the amplifier back on. If
the message persists, call the Pioneer Service Center
specified on your warranty card.
FAN STOP blinks in the display,
then the power automatically
switches off.
• Something is obstructing the fan located on
the underside of the unit.
• Unplug the receiver from the wall and call the Pioneer
Service Center specified on your warranty card.
• The fan is malfunctioning. • Unplug the receiver from the wall and call the Pioneer
Service Center specified on your warranty card.
OVERHEAT blinks in the display
and no sound is output.
• The internal temperature of the unit has
become too high.
• After allowing the unit to cool down in a well-ventilated
place, try switching the amplifier back on. Make sure you
follow the guidelines for improving heat dispersal in
Ventilation on page 2.
Symptom Cause Remedy
No sound is output when an
input source is selected.
• Improper connections. • Make sure you have properly connected the component
to the corresponding input on the back of the amplifier
(see Connecting your equipment on page 12).
• Sound is muted or the volume is turned
down.
• Press MUTE or adjust the volume accordingly.
• The TAPE 2 monitoring feature is on. • Press TAPE 2 MONITOR to switch it off (see Monitoring
your recording on page 69).
• Speakers are turned off or selected
improperly with the SP SYSTEM A/B switch.
• Press SP SYSTEM A/B to select the proper speaker set
(see Switching the speaker system on page 75).
• The input signal type is incorrect. • Press SIGNAL SELECT to select the proper input signal
(see Selecting the input signal type on page 44).
• The i.LINK source selected for the main
room has also been selected as a source in
the sub room.
• Choose a different source or choose a different input
signal for the main room, such as DIGITAL or ANALOG
(see Selecting the input signal type on page 44).