0 troubleshooting, Checklist – Crown Audio Pulse 4X300 User Manual
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T r o u b l e s h o o t i n g
Checklist
Problem:
No output
Check:
Are the AC Present and Operate
lights on?
Are the Fault & Temp lights off?
Are the Signal lights on?
Are the level controls turned up?
Are the speakers properly connected? (in particular check that older style ‘ring lock’ type
Speakons are rotated in the socket).
Problem:
Distorted sound
Check:
Are the Clip lights on?
Is any equipment before the amp being over driven?
Are any speaker cables shorted?
Are the loudspeakers too low an impedance?
Are the input cables wired correctly?
Problem:
Hum or buzzing
Check:
Is the amp properly grounded?
Are the input cables shielded?
Are the input connectors properly wired?
Are you using an unbalanced input?
Does the noise stop if the equipment driving the amp is switched off?
- MT-2400 (1 page)
- XTi 4000 (44 pages)
- 402and 602 (28 pages)
- DSi 4000 (1 page)
- S Series (28 pages)
- CTs 4200 USP/CN (2 pages)
- CH3 (2 pages)
- MA-5000i (52 pages)
- Commercial Audio Series (180MA-280MA-1160MA) (24 pages)
- Pulse 2X1100 (1 page)
- Pulse 21100 (22 pages)
- K2 (2 pages)
- XLS-602 E (1 page)
- Macro-Tech 602 (36 pages)
- I-TECH 8000 (2 pages)
- 660A (1 page)
- 5000i (1 page)
- MT 600 (1 page)
- 28M (1 page)
- PT 2.1 (2 pages)
- CTs 8200 USP/CN (2 pages)
- SR-II (1 page)
- CTs 2000 (1 page)
- 4300 (1 page)
- IQ-PIP USP3/CN (2 pages)
- 180A (1 page)
- XLS 402 (40 pages)
- 9000i (1 page)
- I (1 page)
- CL2 (1 page)
- MA-2402 (36 pages)
- CROWN K Series (20 pages)
- M Series (28 pages)
- CE 2000 (28 pages)
- Power Tech x.1 Series (24 pages)
- XTi 1000 (2 pages)
- XLS-802 (1 page)
- D-45 (24 pages)
- Xs1200 (28 pages)
- MA-24X6 (32 pages)
- I-T4000 (1 page)
- CTs 600 (32 pages)
- 12000i (2 pages)
- CDi 4000 (1 page)
- MA-3600VZ (28 pages)