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24 Chapter 2: Troubleshooting
Amplifi er Application Guide
Figure 2.2
No Power
2.1 No Power
No Power
Is the Power
(Enable)
switch on?
Is amp plugged
in to the AC
source?
Plug amp in to the
AC source.
Turn the Power
(Enable) switch on.
Is the Power
(Enable)
indicator lit?
Is AC source
supplying power
to outlet?
Does amp have
a fuse or circuit
breaker?
No
No
Reset circuit
breaker.
Restore AC power
to outlet.
No
No
Refer amp to
service center.
Yes
Yes
Did it trip
again?
Yes
Amp o.k. to
operate.
No
Circuit
Breaker
Fuse
Yes
Is an
IQ System
controlling
amp?
Verify power to
amp is turned on
in IQ System.
No
Yes
Yes
Is fuse
internal or
external?
Internal External
Internal Fuses
NOT
user-replaceable.
Replace fuse
with new fuse
of identical
rating.