Musical Fidelity M3I Problems?, M3i manual issue, Page 11 of, Probable Cause, Remedy, Power

PROBLEMS?

Basic problem-solving with an amplifier is similar to troubleshooting other electrical or electronic equipment. Always check the most obvious possible causes first, such as the following examples:

Problem				Probable Cause				Remedy
No power		when	POWER	Mains power plug is not fully inserted into rear				Plug in securely.
button is pressed.				socket.
No sound				Mute function is still active.				Press the MUTE button on the remote control to cancel.
				Wrong connections between input sources and				Check audio input lead connections.
				the unit				Check speaker cables.
				Speakers not connected, or incorrectly wired
Sound cut				Loose connection				Check speaker and input connections.
				Output overload or short circuit				Switch unit off. Check speaker connections for shorting
								strands or wires. When all has been double-checked
								reduce volume and switch unit back on.
								N.B. Take great care when bi-wiring or bi-amping that
								speaker bass and treble linking straps are removed; see
								speaker manual for more information.
Sound	is	not	precise,	Speakers are connected out of phase, i.e.,				Ensure speakers are connected with same polarity at
lacking in bass and stereo				connections	to	one	speaker	amplifier and speaker ends.
image.				(+ and –) are reversed.
Hum.				Audio connector plug not fully pushed in				Insert plug securely.
				Cable Fault				Check cable is connected at both ends.
				Unsuitable			cable	N.B. Some esoteric cables have internal wiring
				(e.g. cable grounds not connected)				intentionally disconnected/modified. For best results on
								all inputs analogue AND digital, please use good quality
								screened coax; signal and screens both separately
								connected at both ends.
No audio output, or too				Incorrect or missing connections				Check connections and make sure they are secure.
low level output.
Remote	control		does not	Amplifier’s POWER switch is set to off.				Set switch to on.
work.				One or more batteries fitted the wrong way				Insert batteries correctly.
				round.				Change batteries for a new set.
				Batteries are flat.
								Ensure there is no obstruction between the remote
				Remote control is not pointed directly towards				control and amplifier front.
				the front panel of the amplifier.				Lighting such as fluorescent, incandescent, or even
				Interference from another source.				sunlight contains large amounts of infra red radiation.
								Ensure such sources are not shining directly on the infra
								red window as this could swamp the signal from the
								remote control.
								Also check the system and any other nearby remotes for
								stuck buttons.
Remote control range has				Batteries are running out				Change batteries for a new set.
greatly reduced

If none of these actions affect a cure, please contact the dealer, or an authorised Musical Fidelity service agent. Remember; never open

the case of the M3i, as this will invalidate the guarantee.

M3i manual issue 1 Page 11 of 13