Friedrich SM18N30*, SS14N10*, SS12N10*, SS15N30*, SS10N10* Possible Cause Possible Solution

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

1 95
Download 95 pages 23 Kb
Page 64
Image 64

COOLING ONLY ROOM AIR CONDITIONERS: TROUBLESHOOTING TIPS

Problem

Possible Cause

Possible Solution

 

Overload inoperative. Opens too

Check operation of unit. Replace overload if

 

soon

system operation is satisfactory

 

Compressor restarted before

Control’s default of 3 minutes wait delay timer

 

system pressures equalized

inoperative. Replace board.

 

 

 

 

 

Check voltage with unit operating. Check for

Compressor runs

Low or fluctuating voltage

other appliances on circuit. Air conditioner

should be in a dedicated circuit for proper

for short periods

 

only. Cycles on

 

voltage & fused separately

overload

Incorrect wiring

Refer to appropriate wiring diagram

 

Shorted or incorrect capacitor

Test capacitor and replace if needed.

 

 

 

 

Restricted or low air flow through

Check for proper fan speed or blocked

 

condenser coil or evaporator coil

coils. Correct as needed.

 

 

 

 

Compressor running abnormally

Check for kinked discharge line or restricted

 

condenser. Refrigerant overcharge. Check

 

hot

 

amperage, connections.

 

 

 

 

 

Problem

Possible Cause

Possible Solution

 

No power

Check power supply. Check LCDI plug. Check

 

wire connections. Check if panel is locked.

Unit does not

 

 

 

Incorrect wiring

Refer to appropriate wiring diagram

turn on

Defective thermistor

Replace thermistor or electronic control board

 

Problem

Possible Cause

Possible Solution

 

Poorly installed

Refer to Installation Manual for proper

 

installation

 

 

 

Fan blade striking chassis

Reposition - adjust motor mount

Noisy operation

 

Check that compressor grommets have not

Compressor vibrating

deteriorated. Check that compressor mounting

 

 

 

parts are not missing

 

Improperly mounted or loose

Check assembly & parts for looseness,

 

cabinet parts refrigerant tubes

rubbing & rattling pipes, etc.

Problem

Possible Cause

Possible Solution

 

Evaporator drain pan overflowing

Clean obstructed drain trough

 

Condensation forming underneath

Evaporator drain pan broken or cracked.

 

Reseal or replace. No chassis gasket installed.

 

base pan

 

Install chassis gasket

 

 

 

Poor installation resulting in rain

Check installation instructions. Reseal as

Water leaks into

entering the room

required

 

Dirty evaporator coil. Use pressure wash

the room

Condensation on discharge grille

or biodegradable cleaning agent to clean.

 

 

louvers

Environmental phenomena: point supply

 

 

louvers upward. Put on high fan.

 

Chassis gasket not installed

Install gasket, per Installation manual

 

Downward slope of unit is too

Refer to installation manual for proper

 

steep inward

installation

63

Page 64
Image 64
Friedrich SM18N30*, SS14N10*, SS12N10*, SS15N30*, SS10N10* service manual Possible Cause Possible Solution

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.