Replace fuse, reset breaker. If repeats, check

COOLING ONLY ROOM AIR CONDITIONERS: TROUBLESHOOTING TIPS

Problem	Possible Cause	Possible Solution
		Replace fuse, reset breaker. If repeats, check
	Fuse blown or circuit tripped	fuse or breaker size. Check for shorts in unit
		wiring & components
	Power cord not plugged in	Plug it in
Unit does not run	System button in “OFF” position	Set correctly
Unit does not run	Inoperative system button or open	Test for continuity. Check alarms. Correct
	Inoperative system button or open	Test for continuity. Check alarms. Correct
	electronic control board	as needed.
	Loose or disconnected wiring	Check wiring & connections. Reconnect per
	control board or other components	wiring diagram

Problem	Possible Cause	Possible Solution
	Dirty ﬁlter	Clean as recommended in Owner’s Manual
		Check for dirty or obstructed coil. Use
	Restricted airﬂow	pressure wash or biodegradable cleaning
		agent to clean
Evaporator coil	Inoperative thermistor	Check alarms. Replace as necessary.
freezes up	Short of refrigerant	De-ice coil & check for leak
	Inoperative fan motor	Test fan motor & replace if inoperative
	Partially restricted capillary tube	De-ice coil. Replace capillary tube.

Problem	Possible Cause	Possible Solution
	Excessive heat load	Unit undersized. Test cooling performance &
	Excessive heat load	replace with larger unit if needed. See sizing chart.
		replace with larger unit if needed. See sizing chart.
	Restriction in line	Check for partially iced coil & check
Compressor runs	Restriction in line	temperature split across coil
Compressor runs		temperature split across coil
continually & does	Refrigerant leak	Find leak and repair.
not cycle off
not cycle off	Compressor relay contacts stuck	Check operation of t-stat. Replace if contacts
		Check operation of t-stat. Replace if contacts
		remain closed.
		remain closed.
	Remote wall T-stat incorrectly wired	Refer to appropriate wiring diagram

	Thermistor shorted	Replace thermistor or electronic control board

Problem	Possible Cause	Possible Solution
	Compressor relay contacts stuck	Replace electronic control board

Electronic control	Temperature set at coldest point	Turn to higher temp. setting to see if unit
Electronic control	Temperature set at coldest point	cycles off. If not, replace control board.
board does not		cycles off. If not, replace control board.
turn unit off
turn unit off	Incorrect wiring	Refer to appropriate wiring diagrams
	Incorrect wiring	Refer to appropriate wiring diagrams

	Unit undersized for area to be	Refer to industry standard sizing chart
	cooled	Refer to industry standard sizing chart
	cooled
	Defective thermistor	Replace thermistor or electronic control board

SM18N30, SS10N10, SS15N30, SS12N10, SS14N10* specifications

Friedrich air conditioners, particularly models SS14N10*, SS12N10*, SS15N30*, SS10N10*, and SM18N30*, are renowned for their reliable performance, innovative technologies, and user-friendly features. Designed for both residential and commercial use, these units stand out due to their energy efficiency, advanced cooling capabilities, and versatile operation.

One of the standout features across these models is their energy efficiency. Equipped with high SEER (Seasonal Energy Efficiency Ratio) ratings, they help users save on energy costs while reducing their carbon footprint. Specifically, the SS14N10* and SS12N10* models excel in cooling efficiency, ensuring that the spaces they occupy remain comfortably cool even in the hottest conditions. This not only contributes to lower energy bills but also promotes environmental sustainability.

The cooling technologies integrated into these units include advanced inverter technology. This feature allows the compressor to adjust its speed according to the cooling demand of a room. As a result, these air conditioners maintain desired temperatures with minimal fluctuations, ensuring optimal comfort and significant energy savings. Models like SS15N30* and SM18N30* are particularly stellar in maintaining efficiency even during peak usage hours.

Moreover, these air conditioners are equipped with multi-stage filtration systems that enhance indoor air quality. The filters effectively capture dust, allergens, and other pollutants, resulting in cleaner and healthier air for occupants. This is especially important for individuals with allergies or respiratory issues.

User-friendly controls add another layer of convenience. Many models incorporate smart technology allowing users to control the units via mobile apps or home automation systems. This feature enables remote operation, scheduling, and real-time monitoring, making it easier to manage climate conditions effectively.

In terms of design, models like SS10N10* prioritize aesthetics without compromising functionality. They feature sleek, modern designs that seamlessly integrate into various decors, whether in a home or an office. Additionally, quiet operation technology reduces noise levels during functionality, enhancing comfort, particularly in bedrooms or quiet office environments.

Overall, Friedrich’s SS14N10*, SS12N10*, SS15N30*, SS10N10*, and SM18N30* models embody the brand's commitment to innovation and customer satisfaction. Their blend of energy efficiency, advanced cooling technology, air quality enhancement, and smart controls positions them as leaders in the air conditioning market, catering to diverse cooling needs while promoting a sustainable future.

Friedrich SS10N10, SS14N10, SS12N10, SS15N30 Replace fuse, reset breaker. If repeats, check

Models: SM18N30* SS10N10* SS15N30* SS12N10* SS14N10*

COOLING ONLY ROOM AIR CONDITIONERS: TROUBLESHOOTING TIPS

Problem