TROUBLE SHOOTING

Model PA435X

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TROUBLE SHOOTING

If you encounter a problem, please review the items in the following list. Be sure, in addition, to check other system components, such as preamplifiers, CD players, speakers, speaker wiring, etc., that may be at fault.

PROBLEM

PROBABLE CAUSE AND SOLUTION

 

 

Rear panel Power Indicator does not light – no sound.

Check line cord for good contact in a live AC outlet. If

 

REMOTE CI jacks are being used, be sure applied

 

voltage is between +5V and +30V DC with proper

 

polarity. See Fig. 8.

 

 

No sound from CH2, CH4 when stereo operation is

BRIDGED/STEREO switch is incorrectly set to

desired.

BRIDGED position. Set to STEREO position. See

 

Fig. 6.

 

 

Sound cuts in and out every 3 to 5 seconds.

Speaker load impedance is less than 4-Ohms for

 

Stereo mode or less than 8-Ohms for Bridged mode.

 

Make changes in speakers as necessary to obtain

 

higher impedance.

 

 

PA435X does not turn OFF when both REMOTE input

Be sure that the Front Panel POWER switch (item 2,

voltages go to 0 Volts. The Logo stays illuminated.

Fig. 2) is set to the REMOTE ON/OFF (OUT) position.

 

 

PA435X becomes very warm, shuts OFF, but does not

Set POWER switch (item 3, Fig. 2) to MANUAL OFF

come back ON automatically.

(OUT) position for 15 seconds, then back ON. If

 

REMOTE ON/OFF jack is used, unplug for 15 seconds,

 

then re-plug.

 

 

One or more front panel LED’s glow red.

The amplifier has been driven into clipping and/or is

 

overheating. Correct faulty condition.

 

 

© 2003 Xantech Corporation

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Xantech PA435X installation instructions Trouble Shooting, Problem, Probable Cause And Solution