Heat Controller CD-121L, CD-101L manual Troubleshootingtips, Room Air Conditioner with R-410A

Heat Controller Room Air Conditioner with R-410A Owner’s Manual

TROUBLESHOOTING￿TIPS

Before￿calling￿for￿service,￿review￿this￿list.￿It￿may￿save￿you￿time￿and￿expense. This￿list￿includes￿common occurrences￿that￿are￿not￿the￿result￿of￿defective￿workman-ship￿or￿materials￿in￿this￿appliance.

	Problem				Solution
Air￿conditioner					Wall￿plug￿disconnected.￿Push￿plug￿firmly￿into￿wall￿outlet.
does￿not￿start					House￿fuse￿blown￿or￿circuit￿breaker￿tripped.￿Replace￿fuse￿with￿time￿delay￿type￿or
					reset￿circuit￿breaker.
				Plug￿Current￿Device￿Tripped.￿Press￿the￿RESET￿button.
			Control￿is￿OFF.￿Turn￿Control￿ON￿and￿set￿to￿desired￿setting.
							O	O
			Room￿temperature￿below￿64°F17￿C(18°C62￿F).￿Cooling￿may￿not￿occur￿until￿room￿temperature
						O	O
		Air￿from￿unit￿does	rises￿above 1764°F￿C(62(18°C)￿F)..
			Temperature￿sensing￿element￿touching￿cold￿coil,￿located￿behind￿air￿filter.￿Straighten
		not￿feel￿cold
		enough	tube￿away￿from￿coil.
			Reset￿to￿a￿Lower￿temperature.
			Compressor￿shut-off￿by￿changing￿modes.￿Wait￿approximately￿3￿minutes￿and￿listen￿for
			compressor￿to￿restart￿when￿set￿in￿the￿COOL mode.
	Air￿conditioner							O
					Outdoor￿￿temperature￿below￿1864°F￿￿C(64(18°C)￿￿F). .￿To￿defrost￿the￿coil,￿set￿FAN￿ONLY mode.
	cooling,￿but￿room
					Air￿filter￿may￿be￿dirty.￿Clean￿filter.￿Refer￿to￿Care￿and￿Cleaning￿section.￿To￿defrost,
	is￿too￿warm-￿ice
					set￿to￿FAN￿ONLY mode.
	forming￿on￿cooling
				Thermostat￿set￿too￿cold￿for￿night-time￿cooling.￿To￿defrost￿the￿coil,￿set￿to￿FAN￿ONLY
	coil￿behind
	decorative￿front.				mode.￿Then,￿set￿temperature￿to￿a￿Higher￿setting.
	Air￿conditioner					Dirty￿air￿filter-￿air￿restricted.￿Clean￿air￿filter.￿Refer￿to￿Care￿and￿Cleaning￿section.
	cooling,￿but￿room
						Temperature￿is￿set￿too￿High,￿set￿temperature￿to￿a￿Lower￿setting.
	is￿too￿warm-￿NO
						Air￿directional￿louvers￿positioned￿improperly.￿Position￿louvers￿for￿better￿air￿distribution.
	ice￿forming￿on
	cooling￿coil￿behind
						Front￿of￿units￿is￿blocked￿by￿drapes,￿blinds,￿furniture,￿etc.￿-￿restricts￿air￿distribution.
	decorative￿front.
						Clear￿blockage￿in￿front￿of￿unit.
						Doors,￿windows,￿registers,￿etc.￿Open-￿cold￿air￿escapes.￿Close￿doors,￿windows,￿registers.

Unit￿recently￿turned￿on￿in￿hot￿room. Allow￿additional￿time￿to￿remove￿￿Stored￿heat￿￿from walls,￿ceiling,￿floor￿and￿furniture.

Air￿conditioner￿turns￿on Dirty￿air￿filter-￿air￿restricted.￿Clean￿air￿filter.

and￿off￿rapidly

Outside￿temperature￿extremely￿hot.￿Set￿FAN￿speed￿to￿a￿Higher￿setting￿to￿bring￿air￿past cooling￿coils￿more￿frequently.

Noise￿when￿unit￿is Air￿movement￿sound.￿This￿is￿normal￿.￿If￿too￿loud,￿set￿to￿a￿slower￿￿FAN￿setting.

cooling

Window￿vibration￿-￿poor￿installation.￿Refer￿to￿installation￿instructions￿or￿check￿with￿installer.

Water￿dripping Improper￿installation.￿Tilt￿air￿conditioner￿slightly￿to￿the￿outsiderear/outside￿to￿allow￿water￿drainagedrainage. .

INSIDE￿when Refer￿to￿installation￿instructions￿-￿check￿with￿installer.

unit￿is￿cooling.

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