XH5210/XH5410/XH7110 21
English
Owner’s Manual
6. TROUBLESHOOTING
Indicator lights
The XH5210, XH5410 and XH7110 have lights that indicate amplifier status.
Blue top Red end- Blue end-
LED panel light panel light Meaning
On Off Off Amplifier running normally
On Alternating between In thermal protection mode
red and blue
Slow blink Slow out-of-sync Off Over voltage;
blink reduce the input voltage
Quick blink Quick in-sync Off Short circuit protection
blink
3 blinks, 3 blinks, Off Repeated shorts detected;
then pause then pause remove the short circuit, wait
5 minutes for error condition
to clear; or clear condition by
removing the main power, for
example, by pulling the fuse.
No Audio
• Low or no remote turn-on voltage: check remote connections at the amplifier
and source unit.
• Blown amplifier fuse: replace with a new fast-blow fuse (same rating).
• Power wires not connected: check battery and ground wiring at the amplifier
and check the battery connections.
• Speaker leads shorted: check speaker continuity to ground; it should not show a
common ground.
• Speakers not connected or are blown: check speaker connections at the
amplifier and measure at speakers. Measure coil impedance at amplifier with
speaker wires disconnected.
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