NuTone IM-440 Series Installer’S Troubleshooting Guide, Cannot receive radio station

INSTALLER’S TROUBLESHOOTING GUIDE

TROUBLE	POSSIBLE CAUSE	POSSIBLE REMEDY
Cannot receive radio station	Faulty antenna connection.	Antenna should be located in attic and connected to tuner in Master.
which is received by another		Check antenna connector to be sure it is connected to 2 pin
radio in home.		connector on master.
IU is displayed continuously,	Shorted IW-6 wire going to	Set remote station status switches one at a time to the OFF position.
and the radio cycles on/off	remote station. Defective remote	If IU stops at certain station, that stations wire or remote station is
continuously.	station.	defective.
Low intercom volume.	Intercom volume control	Increase intercom volume setting.
	adjustment.
	Volume controls on remote	Keep remote stations volume controls at 1⁄2 or higher for proper
	stations set below 1⁄2.	intercom operation.
	Internal intercom volume control.	Increase setting of internal intercom gain control.
When CD playback is started,	Disc is badly scratched or	Replace the disc.
it stops immediately or stops	warped.
during playback.
	Disc is loaded with label facing	Install CD with label facing outward.
	inward.
	Improper data format (CD ROM)	Replace with conventional music format CD.
	Disc is dirty.	Clean disc if there are fingerprints or dirt on the disc. Wipe off with a
		soft cotton cloth. Wipe the disc from the center to the outside edge.
		Never use paint thinner, Benzene™ or conventional record cleaners.
With certain discs a loud pop	Disc has bad scratch or is	Replace the disc.
is produced or play stops.	warped.
	Disc is extremely dirty.	Clean disc if there are fingerprints or dirt on the disc. Wipe off with a
		soft cotton cloth. Wipe the disc from the center to the outside edge.
		Never use paint thinner, Benzene™ or conventional record cleaners.

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