Link electronic MC-6 owner manual Basic Troubleshooting, Condition, Cause, Remedy

Basic Troubleshooting

A summary of fault conditions and their causes and remedies are listed below.

The MC-6 Multi-Channel Power Amplifier can produce high power levels that, without well-designed protection circuitry, could damage loudspeakers. Therefore, most fault conditions will result in the MC-6 reverting to Standby Mode.

Condition:	Cause:	Remedy:
Front panel STANDBY/POWER BUTTON does not	Light bulb defective.	Remove STNADBY/POWER BUTTON from front panel
illuminate after pressing, amplifier operates		and replace bulb located under button. Use
normally:		replacement bulb kit and instructions supplied by
		your dealer.
Front panel STANDBY/POWER BUTTON lamp does not	Incorrect power connections or circuit breaker	Review Installation/Rear Panel Power Connections
illuminate after pressing and amplifier does not	positions on rear panel of amplifier.	section of Owner’s Manual.
operate normally.
	Abnormal Operation of the MC-6 internal circuitry.	Contact your dealer immediately.
Front panel STANDBY/POWER BUTTON reverts to	Excessive sub-sonic or DC signals produced by	Repair or replace source component. Identify and
Standby Mode during listening but can be returned	source components.	correct abnormal conditions such as low frequency
to normal operation:		rumble and/or acoustic feedback caused by
		phono playback (if applicable).
	Severe clipping of amplifier circuitry.	Reduce volume slightly or use higher efficiency
		loudspeakers.
AC MAINS CIRCUIT BREAKER switches OFF or will not	AC mains voltage too high for amplifier.	Consult your dealer immediately to have the
remain ON:		amplifier reconfigured for the proper AC mains
		voltage.
	Abnormal operation of amplifier internal circuitry.	Contact your dealer immediately.
50/60 Hz buzz noise in loudspeakers:	Ground loop condition created between	Use balanced system configuration if possible.
	components in system.
		Inspect interconnect cables for poor connection or
		termination.

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