Precision Power 355cs, 356cs manual TROUBLESHOOTING Symptom Probable Cause Remedy

tROUBLESHOOTING

Symptom	Probable Cause	Remedy
No output	Source or amplifier	Check source or amplifier and fix
	not turned on..	as required..
	Audio input not con-	Check RCA connection and
	nected or no output	signal integrity, fix or replace as
	from source..	required..
	Bi-amp/parallel switch	Set Bi-amp/parallel switch to
	set incorrectly for ap-	correct setting (see Crossover
	plication..	connections and input switch set-
		ting, Bi-amplified connections to
		crossover, or Bi-wire connections
		to crossover)..
	Protection circuit	Turn down volume, protection
	activated..	circuit will automatically reset..
	Speaker wires not	Check speaker wires and fix or
	connected..	replace as required..
Audio cycles on	Speaker damaged..	Check system with known work-
and off		ing speaker and fix or replace as
		required
	Thermal protection	Check that amplifier has ad-
	engaged..	equate ventilation, check speaker
		impedance load
	Loose or poor audio	Check RCA power and speaker
	connections..	connections and fix or replace as
		required..
Distorted output	Preamp volume set	Check volume or preamp and
	to high exceeding	adjust appropriately..
	maximum capability of
	amplifier..
	Impedance load to	Check speaker impedance load, if
	amplifier too low..	below 1 ohm rewire the speakers
		to achieve a higher impedance..
	Bi-amp/parallel switch	Set Bi-amp/parallel switch to
	set incorrectly for ap-	correct setting (see Crossover
	plication..	connections and input switch set-
		ting, Bi-amplified connections to
		crossover, or Bi-wire connections
		to crossover)..
	Shorted speaker	Check speaker wire connections
	wires..	and fix or replace as needed..

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